Home / 88,681.11-133,068.38-51,267.47

Finding the Fourth Proportional to 88,681.11, 133,068.38 and 51,267.47

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Solution

The fourth proportional to 88,681.11, 133,068.38 and 51,267.47 is: 76,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,681.11 : 133,068.38 = 51,267.47 : x
  2. Step 2: Convert to fraction form
    88,681.11/133,068.38 = 51,267.47/x
  3. Step 3: Cross multiply
    88,681.11x = 133,068.38 × 51,267.47
  4. Step 4: Simplify right side
    88,681.11x = 6,822,078,257.92
  5. Step 5: Solve for x
    x = 6,822,078,257.92/88,681.11
  6. Step 6: Final answer
    x = 76,928.20

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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.