Home / 108,522.55-162,783.83-66,532.15

Finding the Fourth Proportional to 108,522.55, 162,783.83 and 66,532.15

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Solution

The fourth proportional to 108,522.55, 162,783.83 and 66,532.15 is: 99,798.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,522.55 : 162,783.83 = 66,532.15 : x
  2. Step 2: Convert to fraction form
    108,522.55/162,783.83 = 66,532.15/x
  3. Step 3: Cross multiply
    108,522.55x = 162,783.83 × 66,532.15
  4. Step 4: Simplify right side
    108,522.55x = 10,830,357,862.47
  5. Step 5: Solve for x
    x = 10,830,357,862.47/108,522.55
  6. Step 6: Final answer
    x = 99,798.23

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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.