Home / 57,877.02-86,831.96-18,437.18

Finding the Fourth Proportional to 57,877.02, 86,831.96 and 18,437.18

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Solution

The fourth proportional to 57,877.02, 86,831.96 and 18,437.18 is: 27,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,877.02 : 86,831.96 = 18,437.18 : x
  2. Step 2: Convert to fraction form
    57,877.02/86,831.96 = 18,437.18/x
  3. Step 3: Cross multiply
    57,877.02x = 86,831.96 × 18,437.18
  4. Step 4: Simplify right side
    57,877.02x = 1,600,935,949.93
  5. Step 5: Solve for x
    x = 1,600,935,949.93/57,877.02
  6. Step 6: Final answer
    x = 27,660.99

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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.