Home / 124,913.60-172,387.08-73,955.60

Finding the Fourth Proportional to 124,913.60, 172,387.08 and 73,955.60

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Solution

The fourth proportional to 124,913.60, 172,387.08 and 73,955.60 is: 102,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,913.60 : 172,387.08 = 73,955.60 : x
  2. Step 2: Convert to fraction form
    124,913.60/172,387.08 = 73,955.60/x
  3. Step 3: Cross multiply
    124,913.60x = 172,387.08 × 73,955.60
  4. Step 4: Simplify right side
    124,913.60x = 12,748,989,933.65
  5. Step 5: Solve for x
    x = 12,748,989,933.65/124,913.60
  6. Step 6: Final answer
    x = 102,062.47

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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.