Home / 42,432.93-63,641.19-40,325.51

Finding the Fourth Proportional to 42,432.93, 63,641.19 and 40,325.51

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Solution

The fourth proportional to 42,432.93, 63,641.19 and 40,325.51 is: 60,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,432.93 : 63,641.19 = 40,325.51 : x
  2. Step 2: Convert to fraction form
    42,432.93/63,641.19 = 40,325.51/x
  3. Step 3: Cross multiply
    42,432.93x = 63,641.19 × 40,325.51
  4. Step 4: Simplify right side
    42,432.93x = 2,566,363,754.08
  5. Step 5: Solve for x
    x = 2,566,363,754.08/42,432.93
  6. Step 6: Final answer
    x = 60,480.47

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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.