Home / 112,582.10-155,364.55-61,593.75

Finding the Fourth Proportional to 112,582.10, 155,364.55 and 61,593.75

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Solution

The fourth proportional to 112,582.10, 155,364.55 and 61,593.75 is: 85,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,582.10 : 155,364.55 = 61,593.75 : x
  2. Step 2: Convert to fraction form
    112,582.10/155,364.55 = 61,593.75/x
  3. Step 3: Cross multiply
    112,582.10x = 155,364.55 × 61,593.75
  4. Step 4: Simplify right side
    112,582.10x = 9,569,485,097.58
  5. Step 5: Solve for x
    x = 9,569,485,097.58/112,582.10
  6. Step 6: Final answer
    x = 85,000.06

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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.