Home / 71,258.58-98,321.45-45,426.96

Finding the Fourth Proportional to 71,258.58, 98,321.45 and 45,426.96

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Solution

The fourth proportional to 71,258.58, 98,321.45 and 45,426.96 is: 62,679.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,258.58 : 98,321.45 = 45,426.96 : x
  2. Step 2: Convert to fraction form
    71,258.58/98,321.45 = 45,426.96/x
  3. Step 3: Cross multiply
    71,258.58x = 98,321.45 × 45,426.96
  4. Step 4: Simplify right side
    71,258.58x = 4,466,444,349.16
  5. Step 5: Solve for x
    x = 4,466,444,349.16/71,258.58
  6. Step 6: Final answer
    x = 62,679.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.