Home / 78,037.59-117,075.03-25,447.14

Finding the Fourth Proportional to 78,037.59, 117,075.03 and 25,447.14

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Solution

The fourth proportional to 78,037.59, 117,075.03 and 25,447.14 is: 38,176.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,037.59 : 117,075.03 = 25,447.14 : x
  2. Step 2: Convert to fraction form
    78,037.59/117,075.03 = 25,447.14/x
  3. Step 3: Cross multiply
    78,037.59x = 117,075.03 × 25,447.14
  4. Step 4: Simplify right side
    78,037.59x = 2,979,224,678.91
  5. Step 5: Solve for x
    x = 2,979,224,678.91/78,037.59
  6. Step 6: Final answer
    x = 38,176.79

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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.