Home / 124,755.90-172,184.04-71,033.46

Finding the Fourth Proportional to 124,755.90, 172,184.04 and 71,033.46

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Solution

The fourth proportional to 124,755.90, 172,184.04 and 71,033.46 is: 98,038.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,755.90 : 172,184.04 = 71,033.46 : x
  2. Step 2: Convert to fraction form
    124,755.90/172,184.04 = 71,033.46/x
  3. Step 3: Cross multiply
    124,755.90x = 172,184.04 × 71,033.46
  4. Step 4: Simplify right side
    124,755.90x = 12,230,828,117.98
  5. Step 5: Solve for x
    x = 12,230,828,117.98/124,755.90
  6. Step 6: Final answer
    x = 98,038.07

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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.