Home / 124,536.62-171,886.10-76,146.81

Finding the Fourth Proportional to 124,536.62, 171,886.10 and 76,146.81

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Solution

The fourth proportional to 124,536.62, 171,886.10 and 76,146.81 is: 105,098.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,536.62 : 171,886.10 = 76,146.81 : x
  2. Step 2: Convert to fraction form
    124,536.62/171,886.10 = 76,146.81/x
  3. Step 3: Cross multiply
    124,536.62x = 171,886.10 × 76,146.81
  4. Step 4: Simplify right side
    124,536.62x = 13,088,578,388.71
  5. Step 5: Solve for x
    x = 13,088,578,388.71/124,536.62
  6. Step 6: Final answer
    x = 105,098.23

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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.