Home / 85,080.02-127,397.06-59,984.20

Finding the Fourth Proportional to 85,080.02, 127,397.06 and 59,984.20

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Solution

The fourth proportional to 85,080.02, 127,397.06 and 59,984.20 is: 89,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,080.02 : 127,397.06 = 59,984.20 : x
  2. Step 2: Convert to fraction form
    85,080.02/127,397.06 = 59,984.20/x
  3. Step 3: Cross multiply
    85,080.02x = 127,397.06 × 59,984.20
  4. Step 4: Simplify right side
    85,080.02x = 7,641,810,726.45
  5. Step 5: Solve for x
    x = 7,641,810,726.45/85,080.02
  6. Step 6: Final answer
    x = 89,819.10

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1.5x scale

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.