Home / 124,830.64-172,227.36-73,849.24

Finding the Fourth Proportional to 124,830.64, 172,227.36 and 73,849.24

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Solution

The fourth proportional to 124,830.64, 172,227.36 and 73,849.24 is: 101,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,830.64 : 172,227.36 = 73,849.24 : x
  2. Step 2: Convert to fraction form
    124,830.64/172,227.36 = 73,849.24/x
  3. Step 3: Cross multiply
    124,830.64x = 172,227.36 × 73,849.24
  4. Step 4: Simplify right side
    124,830.64x = 12,718,859,643.21
  5. Step 5: Solve for x
    x = 12,718,859,643.21/124,830.64
  6. Step 6: Final answer
    x = 101,888.92

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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.