Home / 84,690.02-127,040.34-28,525.52

Finding the Fourth Proportional to 84,690.02, 127,040.34 and 28,525.52

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Solution

The fourth proportional to 84,690.02, 127,040.34 and 28,525.52 is: 42,790.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,690.02 : 127,040.34 = 28,525.52 : x
  2. Step 2: Convert to fraction form
    84,690.02/127,040.34 = 28,525.52/x
  3. Step 3: Cross multiply
    84,690.02x = 127,040.34 × 28,525.52
  4. Step 4: Simplify right side
    84,690.02x = 3,623,891,759.48
  5. Step 5: Solve for x
    x = 3,623,891,759.48/84,690.02
  6. Step 6: Final answer
    x = 42,790.07

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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.