Home / 89,439.01-134,195.22-47,307.83

Finding the Fourth Proportional to 89,439.01, 134,195.22 and 47,307.83

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Solution

The fourth proportional to 89,439.01, 134,195.22 and 47,307.83 is: 70,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,439.01 : 134,195.22 = 47,307.83 : x
  2. Step 2: Convert to fraction form
    89,439.01/134,195.22 = 47,307.83/x
  3. Step 3: Cross multiply
    89,439.01x = 134,195.22 × 47,307.83
  4. Step 4: Simplify right side
    89,439.01x = 6,348,483,983.60
  5. Step 5: Solve for x
    x = 6,348,483,983.60/89,439.01
  6. Step 6: Final answer
    x = 70,981.15

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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.