Home / 83,328.16-125,008.08-30,741.76

Finding the Fourth Proportional to 83,328.16, 125,008.08 and 30,741.76

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Solution

The fourth proportional to 83,328.16, 125,008.08 and 30,741.76 is: 46,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,328.16 : 125,008.08 = 30,741.76 : x
  2. Step 2: Convert to fraction form
    83,328.16/125,008.08 = 30,741.76/x
  3. Step 3: Cross multiply
    83,328.16x = 125,008.08 × 30,741.76
  4. Step 4: Simplify right side
    83,328.16x = 3,842,968,393.42
  5. Step 5: Solve for x
    x = 3,842,968,393.42/83,328.16
  6. Step 6: Final answer
    x = 46,118.48

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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.