Home / 89,897.37-134,806.85-47,767.31

Finding the Fourth Proportional to 89,897.37, 134,806.85 and 47,767.31

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Solution

The fourth proportional to 89,897.37, 134,806.85 and 47,767.31 is: 71,630.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,897.37 : 134,806.85 = 47,767.31 : x
  2. Step 2: Convert to fraction form
    89,897.37/134,806.85 = 47,767.31/x
  3. Step 3: Cross multiply
    89,897.37x = 134,806.85 × 47,767.31
  4. Step 4: Simplify right side
    89,897.37x = 6,439,359,681.20
  5. Step 5: Solve for x
    x = 6,439,359,681.20/89,897.37
  6. Step 6: Final answer
    x = 71,630.12

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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.