Home / 88,360.20-121,938.30-48,075.12

Finding the Fourth Proportional to 88,360.20, 121,938.30 and 48,075.12

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Solution

The fourth proportional to 88,360.20, 121,938.30 and 48,075.12 is: 66,344.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,360.20 : 121,938.30 = 48,075.12 : x
  2. Step 2: Convert to fraction form
    88,360.20/121,938.30 = 48,075.12/x
  3. Step 3: Cross multiply
    88,360.20x = 121,938.30 × 48,075.12
  4. Step 4: Simplify right side
    88,360.20x = 5,862,198,405.10
  5. Step 5: Solve for x
    x = 5,862,198,405.10/88,360.20
  6. Step 6: Final answer
    x = 66,344.33

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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.