Home / 85,242.96-127,838.52-29,826

Finding the Fourth Proportional to 85,242.96, 127,838.52 and 29,826

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Solution

The fourth proportional to 85,242.96, 127,838.52 and 29,826 is: 44,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,242.96 : 127,838.52 = 29,826 : x
  2. Step 2: Convert to fraction form
    85,242.96/127,838.52 = 29,826/x
  3. Step 3: Cross multiply
    85,242.96x = 127,838.52 × 29,826
  4. Step 4: Simplify right side
    85,242.96x = 3,812,911,697.52
  5. Step 5: Solve for x
    x = 3,812,911,697.52/85,242.96
  6. Step 6: Final answer
    x = 44,729.93

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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.