Home / 70,666.35-97,520.19-38,400.98

Finding the Fourth Proportional to 70,666.35, 97,520.19 and 38,400.98

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Solution

The fourth proportional to 70,666.35, 97,520.19 and 38,400.98 is: 52,993.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,666.35 : 97,520.19 = 38,400.98 : x
  2. Step 2: Convert to fraction form
    70,666.35/97,520.19 = 38,400.98/x
  3. Step 3: Cross multiply
    70,666.35x = 97,520.19 × 38,400.98
  4. Step 4: Simplify right side
    70,666.35x = 3,744,870,673.78
  5. Step 5: Solve for x
    x = 3,744,870,673.78/70,666.35
  6. Step 6: Final answer
    x = 52,993.69

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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.