Home / 112,500.59-155,244.47-61,503.84

Finding the Fourth Proportional to 112,500.59, 155,244.47 and 61,503.84

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Solution

The fourth proportional to 112,500.59, 155,244.47 and 61,503.84 is: 84,871.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,500.59 : 155,244.47 = 61,503.84 : x
  2. Step 2: Convert to fraction form
    112,500.59/155,244.47 = 61,503.84/x
  3. Step 3: Cross multiply
    112,500.59x = 155,244.47 × 61,503.84
  4. Step 4: Simplify right side
    112,500.59x = 9,548,130,736.25
  5. Step 5: Solve for x
    x = 9,548,130,736.25/112,500.59
  6. Step 6: Final answer
    x = 84,871.83

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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.