Home / 85,047.16-127,599.56-37,655.72

Finding the Fourth Proportional to 85,047.16, 127,599.56 and 37,655.72

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Solution

The fourth proportional to 85,047.16, 127,599.56 and 37,655.72 is: 56,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,047.16 : 127,599.56 = 37,655.72 : x
  2. Step 2: Convert to fraction form
    85,047.16/127,599.56 = 37,655.72/x
  3. Step 3: Cross multiply
    85,047.16x = 127,599.56 × 37,655.72
  4. Step 4: Simplify right side
    85,047.16x = 4,804,853,716.62
  5. Step 5: Solve for x
    x = 4,804,853,716.62/85,047.16
  6. Step 6: Final answer
    x = 56,496.35

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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.