Home / 91,047.12-136,587.15-27,866.13

Finding the Fourth Proportional to 91,047.12, 136,587.15 and 27,866.13

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Solution

The fourth proportional to 91,047.12, 136,587.15 and 27,866.13 is: 41,804.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,047.12 : 136,587.15 = 27,866.13 : x
  2. Step 2: Convert to fraction form
    91,047.12/136,587.15 = 27,866.13/x
  3. Step 3: Cross multiply
    91,047.12x = 136,587.15 × 27,866.13
  4. Step 4: Simplify right side
    91,047.12x = 3,806,155,278.23
  5. Step 5: Solve for x
    x = 3,806,155,278.23/91,047.12
  6. Step 6: Final answer
    x = 41,804.24

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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.