Home / 124,784.59-172,203.43-70,337.61

Finding the Fourth Proportional to 124,784.59, 172,203.43 and 70,337.61

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Solution

The fourth proportional to 124,784.59, 172,203.43 and 70,337.61 is: 97,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,784.59 : 172,203.43 = 70,337.61 : x
  2. Step 2: Convert to fraction form
    124,784.59/172,203.43 = 70,337.61/x
  3. Step 3: Cross multiply
    124,784.59x = 172,203.43 × 70,337.61
  4. Step 4: Simplify right side
    124,784.59x = 12,112,377,700.00
  5. Step 5: Solve for x
    x = 12,112,377,700.00/124,784.59
  6. Step 6: Final answer
    x = 97,066.29

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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.