Home / 45,432.59-67,803.42-42,424.57

Finding the Fourth Proportional to 45,432.59, 67,803.42 and 42,424.57

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Solution

The fourth proportional to 45,432.59, 67,803.42 and 42,424.57 is: 63,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,432.59 : 67,803.42 = 42,424.57 : x
  2. Step 2: Convert to fraction form
    45,432.59/67,803.42 = 42,424.57/x
  3. Step 3: Cross multiply
    45,432.59x = 67,803.42 × 42,424.57
  4. Step 4: Simplify right side
    45,432.59x = 2,876,530,386.89
  5. Step 5: Solve for x
    x = 2,876,530,386.89/45,432.59
  6. Step 6: Final answer
    x = 63,314.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.