Home / 75,128.04-103,680.18-41,594.76

Finding the Fourth Proportional to 75,128.04, 103,680.18 and 41,594.76

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Solution

The fourth proportional to 75,128.04, 103,680.18 and 41,594.76 is: 57,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,128.04 : 103,680.18 = 41,594.76 : x
  2. Step 2: Convert to fraction form
    75,128.04/103,680.18 = 41,594.76/x
  3. Step 3: Cross multiply
    75,128.04x = 103,680.18 × 41,594.76
  4. Step 4: Simplify right side
    75,128.04x = 4,312,552,203.86
  5. Step 5: Solve for x
    x = 4,312,552,203.86/75,128.04
  6. Step 6: Final answer
    x = 57,402.70

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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.