Home / 124,959.02-187,438.37-31,464.78

Finding the Fourth Proportional to 124,959.02, 187,438.37 and 31,464.78

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Solution

The fourth proportional to 124,959.02, 187,438.37 and 31,464.78 is: 47,197.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,959.02 : 187,438.37 = 31,464.78 : x
  2. Step 2: Convert to fraction form
    124,959.02/187,438.37 = 31,464.78/x
  3. Step 3: Cross multiply
    124,959.02x = 187,438.37 × 31,464.78
  4. Step 4: Simplify right side
    124,959.02x = 5,897,707,075.61
  5. Step 5: Solve for x
    x = 5,897,707,075.61/124,959.02
  6. Step 6: Final answer
    x = 47,197.13

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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.