Home / 90,703.02-136,050.75-27,520.86

Finding the Fourth Proportional to 90,703.02, 136,050.75 and 27,520.86

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Solution

The fourth proportional to 90,703.02, 136,050.75 and 27,520.86 is: 41,280.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,703.02 : 136,050.75 = 27,520.86 : x
  2. Step 2: Convert to fraction form
    90,703.02/136,050.75 = 27,520.86/x
  3. Step 3: Cross multiply
    90,703.02x = 136,050.75 × 27,520.86
  4. Step 4: Simplify right side
    90,703.02x = 3,744,233,643.65
  5. Step 5: Solve for x
    x = 3,744,233,643.65/90,703.02
  6. Step 6: Final answer
    x = 41,280.14

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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.