Home / 124,828.84-187,077.66-54,631.72

Finding the Fourth Proportional to 124,828.84, 187,077.66 and 54,631.72

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Solution

The fourth proportional to 124,828.84, 187,077.66 and 54,631.72 is: 81,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,828.84 : 187,077.66 = 54,631.72 : x
  2. Step 2: Convert to fraction form
    124,828.84/187,077.66 = 54,631.72/x
  3. Step 3: Cross multiply
    124,828.84x = 187,077.66 × 54,631.72
  4. Step 4: Simplify right side
    124,828.84x = 10,220,374,339.38
  5. Step 5: Solve for x
    x = 10,220,374,339.38/124,828.84
  6. Step 6: Final answer
    x = 81,875.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.