Home / 42,062.06-63,079.26-15,403.52

Finding the Fourth Proportional to 42,062.06, 63,079.26 and 15,403.52

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Solution

The fourth proportional to 42,062.06, 63,079.26 and 15,403.52 is: 23,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,062.06 : 63,079.26 = 15,403.52 : x
  2. Step 2: Convert to fraction form
    42,062.06/63,079.26 = 15,403.52/x
  3. Step 3: Cross multiply
    42,062.06x = 63,079.26 × 15,403.52
  4. Step 4: Simplify right side
    42,062.06x = 971,642,388.11
  5. Step 5: Solve for x
    x = 971,642,388.11/42,062.06
  6. Step 6: Final answer
    x = 23,100.21

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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.