Home / 92,920.98-139,298.85-40,301.76

Finding the Fourth Proportional to 92,920.98, 139,298.85 and 40,301.76

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Solution

The fourth proportional to 92,920.98, 139,298.85 and 40,301.76 is: 60,416.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,920.98 : 139,298.85 = 40,301.76 : x
  2. Step 2: Convert to fraction form
    92,920.98/139,298.85 = 40,301.76/x
  3. Step 3: Cross multiply
    92,920.98x = 139,298.85 × 40,301.76
  4. Step 4: Simplify right side
    92,920.98x = 5,613,988,820.98
  5. Step 5: Solve for x
    x = 5,613,988,820.98/92,920.98
  6. Step 6: Final answer
    x = 60,416.81

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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.