Home / 70,869.16-97,799.94-40,655.80

Finding the Fourth Proportional to 70,869.16, 97,799.94 and 40,655.80

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Solution

The fourth proportional to 70,869.16, 97,799.94 and 40,655.80 is: 56,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,869.16 : 97,799.94 = 40,655.80 : x
  2. Step 2: Convert to fraction form
    70,869.16/97,799.94 = 40,655.80/x
  3. Step 3: Cross multiply
    70,869.16x = 97,799.94 × 40,655.80
  4. Step 4: Simplify right side
    70,869.16x = 3,976,134,800.65
  5. Step 5: Solve for x
    x = 3,976,134,800.65/70,869.16
  6. Step 6: Final answer
    x = 56,105.29

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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.