Home / 65,425.32-90,276.12-62,104.32

Finding the Fourth Proportional to 65,425.32, 90,276.12 and 62,104.32

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Solution

The fourth proportional to 65,425.32, 90,276.12 and 62,104.32 is: 85,693.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,425.32 : 90,276.12 = 62,104.32 : x
  2. Step 2: Convert to fraction form
    65,425.32/90,276.12 = 62,104.32/x
  3. Step 3: Cross multiply
    65,425.32x = 90,276.12 × 62,104.32
  4. Step 4: Simplify right side
    65,425.32x = 5,606,537,044.84
  5. Step 5: Solve for x
    x = 5,606,537,044.84/65,425.32
  6. Step 6: Final answer
    x = 85,693.69

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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.