Home / 124,988.63-187,502.49-40,729.23

Finding the Fourth Proportional to 124,988.63, 187,502.49 and 40,729.23

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Solution

The fourth proportional to 124,988.63, 187,502.49 and 40,729.23 is: 61,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,988.63 : 187,502.49 = 40,729.23 : x
  2. Step 2: Convert to fraction form
    124,988.63/187,502.49 = 40,729.23/x
  3. Step 3: Cross multiply
    124,988.63x = 187,502.49 × 40,729.23
  4. Step 4: Simplify right side
    124,988.63x = 7,636,832,040.78
  5. Step 5: Solve for x
    x = 7,636,832,040.78/124,988.63
  6. Step 6: Final answer
    x = 61,100.22

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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.