Home / 72,549.02-108,801.66-25,799.06

Finding the Fourth Proportional to 72,549.02, 108,801.66 and 25,799.06

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Solution

The fourth proportional to 72,549.02, 108,801.66 and 25,799.06 is: 38,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,549.02 : 108,801.66 = 25,799.06 : x
  2. Step 2: Convert to fraction form
    72,549.02/108,801.66 = 25,799.06/x
  3. Step 3: Cross multiply
    72,549.02x = 108,801.66 × 25,799.06
  4. Step 4: Simplify right side
    72,549.02x = 2,806,980,923.19
  5. Step 5: Solve for x
    x = 2,806,980,923.19/72,549.02
  6. Step 6: Final answer
    x = 38,690.82

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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.