Home / 112,250.28-154,903.12-61,264.02

Finding the Fourth Proportional to 112,250.28, 154,903.12 and 61,264.02

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Solution

The fourth proportional to 112,250.28, 154,903.12 and 61,264.02 is: 84,543.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,250.28 : 154,903.12 = 61,264.02 : x
  2. Step 2: Convert to fraction form
    112,250.28/154,903.12 = 61,264.02/x
  3. Step 3: Cross multiply
    112,250.28x = 154,903.12 × 61,264.02
  4. Step 4: Simplify right side
    112,250.28x = 9,489,987,841.74
  5. Step 5: Solve for x
    x = 9,489,987,841.74/112,250.28
  6. Step 6: Final answer
    x = 84,543.11

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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.