Home / 74,849.17-112,354.64-66,582.13

Finding the Fourth Proportional to 74,849.17, 112,354.64 and 66,582.13

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Solution

The fourth proportional to 74,849.17, 112,354.64 and 66,582.13 is: 99,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,849.17 : 112,354.64 = 66,582.13 : x
  2. Step 2: Convert to fraction form
    74,849.17/112,354.64 = 66,582.13/x
  3. Step 3: Cross multiply
    74,849.17x = 112,354.64 × 66,582.13
  4. Step 4: Simplify right side
    74,849.17x = 7,480,811,246.58
  5. Step 5: Solve for x
    x = 7,480,811,246.58/74,849.17
  6. Step 6: Final answer
    x = 99,945.15

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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.