Home / 99,030.90-148,535.81-27,951.78

Finding the Fourth Proportional to 99,030.90, 148,535.81 and 27,951.78

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Solution

The fourth proportional to 99,030.90, 148,535.81 and 27,951.78 is: 41,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,030.90 : 148,535.81 = 27,951.78 : x
  2. Step 2: Convert to fraction form
    99,030.90/148,535.81 = 27,951.78/x
  3. Step 3: Cross multiply
    99,030.90x = 148,535.81 × 27,951.78
  4. Step 4: Simplify right side
    99,030.90x = 4,151,840,283.24
  5. Step 5: Solve for x
    x = 4,151,840,283.24/99,030.90
  6. Step 6: Final answer
    x = 41,924.70

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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.