Home / 86,815.53-130,247.93-27,655.76

Finding the Fourth Proportional to 86,815.53, 130,247.93 and 27,655.76

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Solution

The fourth proportional to 86,815.53, 130,247.93 and 27,655.76 is: 41,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,815.53 : 130,247.93 = 27,655.76 : x
  2. Step 2: Convert to fraction form
    86,815.53/130,247.93 = 27,655.76/x
  3. Step 3: Cross multiply
    86,815.53x = 130,247.93 × 27,655.76
  4. Step 4: Simplify right side
    86,815.53x = 3,602,105,887.34
  5. Step 5: Solve for x
    x = 3,602,105,887.34/86,815.53
  6. Step 6: Final answer
    x = 41,491.49

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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.