Home / 124,957.02-187,435.37-31,462.78

Finding the Fourth Proportional to 124,957.02, 187,435.37 and 31,462.78

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Solution

The fourth proportional to 124,957.02, 187,435.37 and 31,462.78 is: 47,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,957.02 : 187,435.37 = 31,462.78 : x
  2. Step 2: Convert to fraction form
    124,957.02/187,435.37 = 31,462.78/x
  3. Step 3: Cross multiply
    124,957.02x = 187,435.37 × 31,462.78
  4. Step 4: Simplify right side
    124,957.02x = 5,897,237,810.53
  5. Step 5: Solve for x
    x = 5,897,237,810.53/124,957.02
  6. Step 6: Final answer
    x = 47,194.13

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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.