Home / 124,823.80-187,235.70-75,057.40

Finding the Fourth Proportional to 124,823.80, 187,235.70 and 75,057.40

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Solution

The fourth proportional to 124,823.80, 187,235.70 and 75,057.40 is: 112,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,823.80 : 187,235.70 = 75,057.40 : x
  2. Step 2: Convert to fraction form
    124,823.80/187,235.70 = 75,057.40/x
  3. Step 3: Cross multiply
    124,823.80x = 187,235.70 × 75,057.40
  4. Step 4: Simplify right side
    124,823.80x = 14,053,424,829.18
  5. Step 5: Solve for x
    x = 14,053,424,829.18/124,823.80
  6. Step 6: Final answer
    x = 112,586.10

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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.