Home / 58,831.27-81,186.09-31,973.86

Finding the Fourth Proportional to 58,831.27, 81,186.09 and 31,973.86

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Solution

The fourth proportional to 58,831.27, 81,186.09 and 31,973.86 is: 44,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,831.27 : 81,186.09 = 31,973.86 : x
  2. Step 2: Convert to fraction form
    58,831.27/81,186.09 = 31,973.86/x
  3. Step 3: Cross multiply
    58,831.27x = 81,186.09 × 31,973.86
  4. Step 4: Simplify right side
    58,831.27x = 2,595,832,675.61
  5. Step 5: Solve for x
    x = 2,595,832,675.61/58,831.27
  6. Step 6: Final answer
    x = 44,123.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.