Home / 67,438.90-101,093.55-52,437.70

Finding the Fourth Proportional to 67,438.90, 101,093.55 and 52,437.70

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Solution

The fourth proportional to 67,438.90, 101,093.55 and 52,437.70 is: 78,606.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,438.90 : 101,093.55 = 52,437.70 : x
  2. Step 2: Convert to fraction form
    67,438.90/101,093.55 = 52,437.70/x
  3. Step 3: Cross multiply
    67,438.90x = 101,093.55 × 52,437.70
  4. Step 4: Simplify right side
    67,438.90x = 5,301,113,246.84
  5. Step 5: Solve for x
    x = 5,301,113,246.84/67,438.90
  6. Step 6: Final answer
    x = 78,606.16

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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.