Home / 83,312.16-125,017.08-30,758.28

Finding the Fourth Proportional to 83,312.16, 125,017.08 and 30,758.28

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Solution

The fourth proportional to 83,312.16, 125,017.08 and 30,758.28 is: 46,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,312.16 : 125,017.08 = 30,758.28 : x
  2. Step 2: Convert to fraction form
    83,312.16/125,017.08 = 30,758.28/x
  3. Step 3: Cross multiply
    83,312.16x = 125,017.08 × 30,758.28
  4. Step 4: Simplify right side
    83,312.16x = 3,845,310,351.42
  5. Step 5: Solve for x
    x = 3,845,310,351.42/83,312.16
  6. Step 6: Final answer
    x = 46,155.45

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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.