Home / 70,666.75-97,514.35-40,445.16

Finding the Fourth Proportional to 70,666.75, 97,514.35 and 40,445.16

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Solution

The fourth proportional to 70,666.75, 97,514.35 and 40,445.16 is: 55,811.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,666.75 : 97,514.35 = 40,445.16 : x
  2. Step 2: Convert to fraction form
    70,666.75/97,514.35 = 40,445.16/x
  3. Step 3: Cross multiply
    70,666.75x = 97,514.35 × 40,445.16
  4. Step 4: Simplify right side
    70,666.75x = 3,943,983,488.05
  5. Step 5: Solve for x
    x = 3,943,983,488.05/70,666.75
  6. Step 6: Final answer
    x = 55,811.02

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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.