Home / 70,525.08-97,320.89-40,306.41

Finding the Fourth Proportional to 70,525.08, 97,320.89 and 40,306.41

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Solution

The fourth proportional to 70,525.08, 97,320.89 and 40,306.41 is: 55,620.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,525.08 : 97,320.89 = 40,306.41 : x
  2. Step 2: Convert to fraction form
    70,525.08/97,320.89 = 40,306.41/x
  3. Step 3: Cross multiply
    70,525.08x = 97,320.89 × 40,306.41
  4. Step 4: Simplify right side
    70,525.08x = 3,922,655,794.67
  5. Step 5: Solve for x
    x = 3,922,655,794.67/70,525.08
  6. Step 6: Final answer
    x = 55,620.72

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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.