Home / 124,062.12-171,207.54-76,287.24

Finding the Fourth Proportional to 124,062.12, 171,207.54 and 76,287.24

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Solution

The fourth proportional to 124,062.12, 171,207.54 and 76,287.24 is: 105,277.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,062.12 : 171,207.54 = 76,287.24 : x
  2. Step 2: Convert to fraction form
    124,062.12/171,207.54 = 76,287.24/x
  3. Step 3: Cross multiply
    124,062.12x = 171,207.54 × 76,287.24
  4. Step 4: Simplify right side
    124,062.12x = 13,060,950,693.79
  5. Step 5: Solve for x
    x = 13,060,950,693.79/124,062.12
  6. Step 6: Final answer
    x = 105,277.51

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1.5x scale

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.