Home / 72,594.38-100,180.25-40,763.30

Finding the Fourth Proportional to 72,594.38, 100,180.25 and 40,763.30

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Solution

The fourth proportional to 72,594.38, 100,180.25 and 40,763.30 is: 56,253.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,594.38 : 100,180.25 = 40,763.30 : x
  2. Step 2: Convert to fraction form
    72,594.38/100,180.25 = 40,763.30/x
  3. Step 3: Cross multiply
    72,594.38x = 100,180.25 × 40,763.30
  4. Step 4: Simplify right side
    72,594.38x = 4,083,676,880.11
  5. Step 5: Solve for x
    x = 4,083,676,880.11/72,594.38
  6. Step 6: Final answer
    x = 56,253.35

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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.