Home / 52,399.13-72,329.02-31,177.94

Finding the Fourth Proportional to 52,399.13, 72,329.02 and 31,177.94

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Solution

The fourth proportional to 52,399.13, 72,329.02 and 31,177.94 is: 43,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,399.13 : 72,329.02 = 31,177.94 : x
  2. Step 2: Convert to fraction form
    52,399.13/72,329.02 = 31,177.94/x
  3. Step 3: Cross multiply
    52,399.13x = 72,329.02 × 31,177.94
  4. Step 4: Simplify right side
    52,399.13x = 2,255,069,406.23
  5. Step 5: Solve for x
    x = 2,255,069,406.23/52,399.13
  6. Step 6: Final answer
    x = 43,036.39

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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.