Home / 67,729.47-93,511.87-42,246.06

Finding the Fourth Proportional to 67,729.47, 93,511.87 and 42,246.06

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Solution

The fourth proportional to 67,729.47, 93,511.87 and 42,246.06 is: 58,327.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,729.47 : 93,511.87 = 42,246.06 : x
  2. Step 2: Convert to fraction form
    67,729.47/93,511.87 = 42,246.06/x
  3. Step 3: Cross multiply
    67,729.47x = 93,511.87 × 42,246.06
  4. Step 4: Simplify right side
    67,729.47x = 3,950,507,614.45
  5. Step 5: Solve for x
    x = 3,950,507,614.45/67,729.47
  6. Step 6: Final answer
    x = 58,327.75

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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.