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Finding the Fourth Proportional to 70,846.55, 105,751.52 and 62,439.26

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Solution

The fourth proportional to 70,846.55, 105,751.52 and 62,439.26 is: 93,202.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,846.55 : 105,751.52 = 62,439.26 : x
  2. Step 2: Convert to fraction form
    70,846.55/105,751.52 = 62,439.26/x
  3. Step 3: Cross multiply
    70,846.55x = 105,751.52 × 62,439.26
  4. Step 4: Simplify right side
    70,846.55x = 6,603,046,397.09
  5. Step 5: Solve for x
    x = 6,603,046,397.09/70,846.55
  6. Step 6: Final answer
    x = 93,202.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.