Home / 92,337.10-138,465.15-42,400.60

Finding the Fourth Proportional to 92,337.10, 138,465.15 and 42,400.60

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Solution

The fourth proportional to 92,337.10, 138,465.15 and 42,400.60 is: 63,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,337.10 : 138,465.15 = 42,400.60 : x
  2. Step 2: Convert to fraction form
    92,337.10/138,465.15 = 42,400.60/x
  3. Step 3: Cross multiply
    92,337.10x = 138,465.15 × 42,400.60
  4. Step 4: Simplify right side
    92,337.10x = 5,871,005,439.09
  5. Step 5: Solve for x
    x = 5,871,005,439.09/92,337.10
  6. Step 6: Final answer
    x = 63,582.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.