Home / 108,718.02-150,047.27-66,301.15

Finding the Fourth Proportional to 108,718.02, 150,047.27 and 66,301.15

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Solution

The fourth proportional to 108,718.02, 150,047.27 and 66,301.15 is: 91,505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,718.02 : 150,047.27 = 66,301.15 : x
  2. Step 2: Convert to fraction form
    108,718.02/150,047.27 = 66,301.15/x
  3. Step 3: Cross multiply
    108,718.02x = 150,047.27 × 66,301.15
  4. Step 4: Simplify right side
    108,718.02x = 9,948,306,555.36
  5. Step 5: Solve for x
    x = 9,948,306,555.36/108,718.02
  6. Step 6: Final answer
    x = 91,505.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.