Home / 89,030.20-133,329.30-47,385.40

Finding the Fourth Proportional to 89,030.20, 133,329.30 and 47,385.40

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Solution

The fourth proportional to 89,030.20, 133,329.30 and 47,385.40 is: 70,963.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,030.20 : 133,329.30 = 47,385.40 : x
  2. Step 2: Convert to fraction form
    89,030.20/133,329.30 = 47,385.40/x
  3. Step 3: Cross multiply
    89,030.20x = 133,329.30 × 47,385.40
  4. Step 4: Simplify right side
    89,030.20x = 6,317,862,212.22
  5. Step 5: Solve for x
    x = 6,317,862,212.22/89,030.20
  6. Step 6: Final answer
    x = 70,963.14

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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.