Home / 62,475.20-93,712.80-18,103.40

Finding the Fourth Proportional to 62,475.20, 93,712.80 and 18,103.40

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Solution

The fourth proportional to 62,475.20, 93,712.80 and 18,103.40 is: 27,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,475.20 : 93,712.80 = 18,103.40 : x
  2. Step 2: Convert to fraction form
    62,475.20/93,712.80 = 18,103.40/x
  3. Step 3: Cross multiply
    62,475.20x = 93,712.80 × 18,103.40
  4. Step 4: Simplify right side
    62,475.20x = 1,696,520,303.52
  5. Step 5: Solve for x
    x = 1,696,520,303.52/62,475.20
  6. Step 6: Final answer
    x = 27,155.10

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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.