Home / 89,972.83-135,041.15-47,888.25

Finding the Fourth Proportional to 89,972.83, 135,041.15 and 47,888.25

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Solution

The fourth proportional to 89,972.83, 135,041.15 and 47,888.25 is: 71,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,972.83 : 135,041.15 = 47,888.25 : x
  2. Step 2: Convert to fraction form
    89,972.83/135,041.15 = 47,888.25/x
  3. Step 3: Cross multiply
    89,972.83x = 135,041.15 × 47,888.25
  4. Step 4: Simplify right side
    89,972.83x = 6,466,884,351.49
  5. Step 5: Solve for x
    x = 6,466,884,351.49/89,972.83
  6. Step 6: Final answer
    x = 71,875.97

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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.