Home / 124,703.90-187,072.78-40,436.58

Finding the Fourth Proportional to 124,703.90, 187,072.78 and 40,436.58

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Solution

The fourth proportional to 124,703.90, 187,072.78 and 40,436.58 is: 60,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,703.90 : 187,072.78 = 40,436.58 : x
  2. Step 2: Convert to fraction form
    124,703.90/187,072.78 = 40,436.58/x
  3. Step 3: Cross multiply
    124,703.90x = 187,072.78 × 40,436.58
  4. Step 4: Simplify right side
    124,703.90x = 7,564,583,434.29
  5. Step 5: Solve for x
    x = 7,564,583,434.29/124,703.90
  6. Step 6: Final answer
    x = 60,660.36

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1.5x scale

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.