Home / 64,140.70-96,211.05-40,521.10

Finding the Fourth Proportional to 64,140.70, 96,211.05 and 40,521.10

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Solution

The fourth proportional to 64,140.70, 96,211.05 and 40,521.10 is: 60,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,140.70 : 96,211.05 = 40,521.10 : x
  2. Step 2: Convert to fraction form
    64,140.70/96,211.05 = 40,521.10/x
  3. Step 3: Cross multiply
    64,140.70x = 96,211.05 × 40,521.10
  4. Step 4: Simplify right side
    64,140.70x = 3,898,577,578.16
  5. Step 5: Solve for x
    x = 3,898,577,578.16/64,140.70
  6. Step 6: Final answer
    x = 60,781.65

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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.