Home / 99,341.63-137,087.28-56,324.02

Finding the Fourth Proportional to 99,341.63, 137,087.28 and 56,324.02

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Solution

The fourth proportional to 99,341.63, 137,087.28 and 56,324.02 is: 77,724.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,341.63 : 137,087.28 = 56,324.02 : x
  2. Step 2: Convert to fraction form
    99,341.63/137,087.28 = 56,324.02/x
  3. Step 3: Cross multiply
    99,341.63x = 137,087.28 × 56,324.02
  4. Step 4: Simplify right side
    99,341.63x = 7,721,306,357.75
  5. Step 5: Solve for x
    x = 7,721,306,357.75/99,341.63
  6. Step 6: Final answer
    x = 77,724.78

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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.