Home / 77,265.35-106,607.90-43,731.35

Finding the Fourth Proportional to 77,265.35, 106,607.90 and 43,731.35

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Solution

The fourth proportional to 77,265.35, 106,607.90 and 43,731.35 is: 60,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,265.35 : 106,607.90 = 43,731.35 : x
  2. Step 2: Convert to fraction form
    77,265.35/106,607.90 = 43,731.35/x
  3. Step 3: Cross multiply
    77,265.35x = 106,607.90 × 43,731.35
  4. Step 4: Simplify right side
    77,265.35x = 4,662,107,387.67
  5. Step 5: Solve for x
    x = 4,662,107,387.67/77,265.35
  6. Step 6: Final answer
    x = 60,338.92

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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.