Home / 124,693.43-172,077.95-70,981.92

Finding the Fourth Proportional to 124,693.43, 172,077.95 and 70,981.92

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Solution

The fourth proportional to 124,693.43, 172,077.95 and 70,981.92 is: 97,955.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,693.43 : 172,077.95 = 70,981.92 : x
  2. Step 2: Convert to fraction form
    124,693.43/172,077.95 = 70,981.92/x
  3. Step 3: Cross multiply
    124,693.43x = 172,077.95 × 70,981.92
  4. Step 4: Simplify right side
    124,693.43x = 12,214,423,458.12
  5. Step 5: Solve for x
    x = 12,214,423,458.12/124,693.43
  6. Step 6: Final answer
    x = 97,955.63

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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.