Home / 124,955.28-172,500.84-84,881.04

Finding the Fourth Proportional to 124,955.28, 172,500.84 and 84,881.04

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Solution

The fourth proportional to 124,955.28, 172,500.84 and 84,881.04 is: 117,178.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,955.28 : 172,500.84 = 84,881.04 : x
  2. Step 2: Convert to fraction form
    124,955.28/172,500.84 = 84,881.04/x
  3. Step 3: Cross multiply
    124,955.28x = 172,500.84 × 84,881.04
  4. Step 4: Simplify right side
    124,955.28x = 14,642,050,700.07
  5. Step 5: Solve for x
    x = 14,642,050,700.07/124,955.28
  6. Step 6: Final answer
    x = 117,178.33

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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.