Home / 58,831.09-81,187.53-31,973.60

Finding the Fourth Proportional to 58,831.09, 81,187.53 and 31,973.60

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Solution

The fourth proportional to 58,831.09, 81,187.53 and 31,973.60 is: 44,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,831.09 : 81,187.53 = 31,973.60 : x
  2. Step 2: Convert to fraction form
    58,831.09/81,187.53 = 31,973.60/x
  3. Step 3: Cross multiply
    58,831.09x = 81,187.53 × 31,973.60
  4. Step 4: Simplify right side
    58,831.09x = 2,595,857,043.40
  5. Step 5: Solve for x
    x = 2,595,857,043.40/58,831.09
  6. Step 6: Final answer
    x = 44,123.90

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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.