Home / 85,079.02-127,395.57-59,983.19

Finding the Fourth Proportional to 85,079.02, 127,395.57 and 59,983.19

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Solution

The fourth proportional to 85,079.02, 127,395.57 and 59,983.19 is: 89,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,079.02 : 127,395.57 = 59,983.19 : x
  2. Step 2: Convert to fraction form
    85,079.02/127,395.57 = 59,983.19/x
  3. Step 3: Cross multiply
    85,079.02x = 127,395.57 × 59,983.19
  4. Step 4: Simplify right side
    85,079.02x = 7,641,592,680.47
  5. Step 5: Solve for x
    x = 7,641,592,680.47/85,079.02
  6. Step 6: Final answer
    x = 89,817.59

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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.