Home / 75,569.16-113,337.54-31,184.40

Finding the Fourth Proportional to 75,569.16, 113,337.54 and 31,184.40

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Solution

The fourth proportional to 75,569.16, 113,337.54 and 31,184.40 is: 46,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,569.16 : 113,337.54 = 31,184.40 : x
  2. Step 2: Convert to fraction form
    75,569.16/113,337.54 = 31,184.40/x
  3. Step 3: Cross multiply
    75,569.16x = 113,337.54 × 31,184.40
  4. Step 4: Simplify right side
    75,569.16x = 3,534,363,182.38
  5. Step 5: Solve for x
    x = 3,534,363,182.38/75,569.16
  6. Step 6: Final answer
    x = 46,769.91

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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.