Home / 62,631.12-86,430.33-34,336.74

Finding the Fourth Proportional to 62,631.12, 86,430.33 and 34,336.74

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Solution

The fourth proportional to 62,631.12, 86,430.33 and 34,336.74 is: 47,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,631.12 : 86,430.33 = 34,336.74 : x
  2. Step 2: Convert to fraction form
    62,631.12/86,430.33 = 34,336.74/x
  3. Step 3: Cross multiply
    62,631.12x = 86,430.33 × 34,336.74
  4. Step 4: Simplify right side
    62,631.12x = 2,967,735,769.32
  5. Step 5: Solve for x
    x = 2,967,735,769.32/62,631.12
  6. Step 6: Final answer
    x = 47,384.36

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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.