Home / 63,869.13-88,139.34-35,574.75

Finding the Fourth Proportional to 63,869.13, 88,139.34 and 35,574.75

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Solution

The fourth proportional to 63,869.13, 88,139.34 and 35,574.75 is: 49,093.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,869.13 : 88,139.34 = 35,574.75 : x
  2. Step 2: Convert to fraction form
    63,869.13/88,139.34 = 35,574.75/x
  3. Step 3: Cross multiply
    63,869.13x = 88,139.34 × 35,574.75
  4. Step 4: Simplify right side
    63,869.13x = 3,135,534,985.67
  5. Step 5: Solve for x
    x = 3,135,534,985.67/63,869.13
  6. Step 6: Final answer
    x = 49,093.12

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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.