Home / 124,955.16-172,438.57-68,366.53

Finding the Fourth Proportional to 124,955.16, 172,438.57 and 68,366.53

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Solution

The fourth proportional to 124,955.16, 172,438.57 and 68,366.53 is: 94,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,955.16 : 172,438.57 = 68,366.53 : x
  2. Step 2: Convert to fraction form
    124,955.16/172,438.57 = 68,366.53/x
  3. Step 3: Cross multiply
    124,955.16x = 172,438.57 × 68,366.53
  4. Step 4: Simplify right side
    124,955.16x = 11,789,026,970.07
  5. Step 5: Solve for x
    x = 11,789,026,970.07/124,955.16
  6. Step 6: Final answer
    x = 94,346.06

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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.