Home / 71,164.14-98,211.60-39,332.35

Finding the Fourth Proportional to 71,164.14, 98,211.60 and 39,332.35

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Solution

The fourth proportional to 71,164.14, 98,211.60 and 39,332.35 is: 54,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,164.14 : 98,211.60 = 39,332.35 : x
  2. Step 2: Convert to fraction form
    71,164.14/98,211.60 = 39,332.35/x
  3. Step 3: Cross multiply
    71,164.14x = 98,211.60 × 39,332.35
  4. Step 4: Simplify right side
    71,164.14x = 3,862,893,025.26
  5. Step 5: Solve for x
    x = 3,862,893,025.26/71,164.14
  6. Step 6: Final answer
    x = 54,281.45

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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.