Home / 83,734.12-125,598.30-21,405.16

Finding the Fourth Proportional to 83,734.12, 125,598.30 and 21,405.16

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Solution

The fourth proportional to 83,734.12, 125,598.30 and 21,405.16 is: 32,107.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,734.12 : 125,598.30 = 21,405.16 : x
  2. Step 2: Convert to fraction form
    83,734.12/125,598.30 = 21,405.16/x
  3. Step 3: Cross multiply
    83,734.12x = 125,598.30 × 21,405.16
  4. Step 4: Simplify right side
    83,734.12x = 2,688,451,707.23
  5. Step 5: Solve for x
    x = 2,688,451,707.23/83,734.12
  6. Step 6: Final answer
    x = 32,107.00

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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.