Home / 127,769.52-191,656.08-48,887.76

Finding the Fourth Proportional to 127,769.52, 191,656.08 and 48,887.76

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Solution

The fourth proportional to 127,769.52, 191,656.08 and 48,887.76 is: 73,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,769.52 : 191,656.08 = 48,887.76 : x
  2. Step 2: Convert to fraction form
    127,769.52/191,656.08 = 48,887.76/x
  3. Step 3: Cross multiply
    127,769.52x = 191,656.08 × 48,887.76
  4. Step 4: Simplify right side
    127,769.52x = 9,369,636,441.58
  5. Step 5: Solve for x
    x = 9,369,636,441.58/127,769.52
  6. Step 6: Final answer
    x = 73,332.33

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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.