Home / 112,581.50-155,363.08-61,594.84

Finding the Fourth Proportional to 112,581.50, 155,363.08 and 61,594.84

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Solution

The fourth proportional to 112,581.50, 155,363.08 and 61,594.84 is: 85,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,581.50 : 155,363.08 = 61,594.84 : x
  2. Step 2: Convert to fraction form
    112,581.50/155,363.08 = 61,594.84/x
  3. Step 3: Cross multiply
    112,581.50x = 155,363.08 × 61,594.84
  4. Step 4: Simplify right side
    112,581.50x = 9,569,563,277.69
  5. Step 5: Solve for x
    x = 9,569,563,277.69/112,581.50
  6. Step 6: Final answer
    x = 85,001.21

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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.