Home / 124,823.13-172,252.67-73,838.49

Finding the Fourth Proportional to 124,823.13, 172,252.67 and 73,838.49

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Solution

The fourth proportional to 124,823.13, 172,252.67 and 73,838.49 is: 101,895.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,823.13 : 172,252.67 = 73,838.49 : x
  2. Step 2: Convert to fraction form
    124,823.13/172,252.67 = 73,838.49/x
  3. Step 3: Cross multiply
    124,823.13x = 172,252.67 × 73,838.49
  4. Step 4: Simplify right side
    124,823.13x = 12,718,877,051.27
  5. Step 5: Solve for x
    x = 12,718,877,051.27/124,823.13
  6. Step 6: Final answer
    x = 101,895.19

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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.