Home / 99,281.38-148,838.28-43,079.17

Finding the Fourth Proportional to 99,281.38, 148,838.28 and 43,079.17

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Solution

The fourth proportional to 99,281.38, 148,838.28 and 43,079.17 is: 64,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,281.38 : 148,838.28 = 43,079.17 : x
  2. Step 2: Convert to fraction form
    99,281.38/148,838.28 = 43,079.17/x
  3. Step 3: Cross multiply
    99,281.38x = 148,838.28 × 43,079.17
  4. Step 4: Simplify right side
    99,281.38x = 6,411,829,566.63
  5. Step 5: Solve for x
    x = 6,411,829,566.63/99,281.38
  6. Step 6: Final answer
    x = 64,582.40

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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.