Home / 91,465.90-137,098.76-47,095.31

Finding the Fourth Proportional to 91,465.90, 137,098.76 and 47,095.31

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Solution

The fourth proportional to 91,465.90, 137,098.76 and 47,095.31 is: 70,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,465.90 : 137,098.76 = 47,095.31 : x
  2. Step 2: Convert to fraction form
    91,465.90/137,098.76 = 47,095.31/x
  3. Step 3: Cross multiply
    91,465.90x = 137,098.76 × 47,095.31
  4. Step 4: Simplify right side
    91,465.90x = 6,456,708,602.82
  5. Step 5: Solve for x
    x = 6,456,708,602.82/91,465.90
  6. Step 6: Final answer
    x = 70,591.43

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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.