Home / 83,574.12-125,379.64-30,983.61

Finding the Fourth Proportional to 83,574.12, 125,379.64 and 30,983.61

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Solution

The fourth proportional to 83,574.12, 125,379.64 and 30,983.61 is: 46,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,574.12 : 125,379.64 = 30,983.61 : x
  2. Step 2: Convert to fraction form
    83,574.12/125,379.64 = 30,983.61/x
  3. Step 3: Cross multiply
    83,574.12x = 125,379.64 × 30,983.61
  4. Step 4: Simplify right side
    83,574.12x = 3,884,713,671.34
  5. Step 5: Solve for x
    x = 3,884,713,671.34/83,574.12
  6. Step 6: Final answer
    x = 46,482.25

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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.