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Finding the Fourth Proportional to 92,996.83, 128,332.82 and 54,747.58

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Solution

The fourth proportional to 92,996.83, 128,332.82 and 54,747.58 is: 75,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,996.83 : 128,332.82 = 54,747.58 : x
  2. Step 2: Convert to fraction form
    92,996.83/128,332.82 = 54,747.58/x
  3. Step 3: Cross multiply
    92,996.83x = 128,332.82 × 54,747.58
  4. Step 4: Simplify right side
    92,996.83x = 7,025,911,329.58
  5. Step 5: Solve for x
    x = 7,025,911,329.58/92,996.83
  6. Step 6: Final answer
    x = 75,550.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.