Home / 91,139.09-125,773.06-52,907.50

Finding the Fourth Proportional to 91,139.09, 125,773.06 and 52,907.50

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Solution

The fourth proportional to 91,139.09, 125,773.06 and 52,907.50 is: 73,013.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,139.09 : 125,773.06 = 52,907.50 : x
  2. Step 2: Convert to fraction form
    91,139.09/125,773.06 = 52,907.50/x
  3. Step 3: Cross multiply
    91,139.09x = 125,773.06 × 52,907.50
  4. Step 4: Simplify right side
    91,139.09x = 6,654,338,171.95
  5. Step 5: Solve for x
    x = 6,654,338,171.95/91,139.09
  6. Step 6: Final answer
    x = 73,013.00

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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.