Home / 86,475.75-129,717.60-26,499.93

Finding the Fourth Proportional to 86,475.75, 129,717.60 and 26,499.93

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Solution

The fourth proportional to 86,475.75, 129,717.60 and 26,499.93 is: 39,751.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,475.75 : 129,717.60 = 26,499.93 : x
  2. Step 2: Convert to fraction form
    86,475.75/129,717.60 = 26,499.93/x
  3. Step 3: Cross multiply
    86,475.75x = 129,717.60 × 26,499.93
  4. Step 4: Simplify right side
    86,475.75x = 3,437,507,319.77
  5. Step 5: Solve for x
    x = 3,437,507,319.77/86,475.75
  6. Step 6: Final answer
    x = 39,751.11

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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.