Home / 67,287.60-92,807.40-43,402.32

Finding the Fourth Proportional to 67,287.60, 92,807.40 and 43,402.32

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Solution

The fourth proportional to 67,287.60, 92,807.40 and 43,402.32 is: 59,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,287.60 : 92,807.40 = 43,402.32 : x
  2. Step 2: Convert to fraction form
    67,287.60/92,807.40 = 43,402.32/x
  3. Step 3: Cross multiply
    67,287.60x = 92,807.40 × 43,402.32
  4. Step 4: Simplify right side
    67,287.60x = 4,028,056,473.17
  5. Step 5: Solve for x
    x = 4,028,056,473.17/67,287.60
  6. Step 6: Final answer
    x = 59,863.28

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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.