Home / 70,514.68-97,318.88-40,293.07

Finding the Fourth Proportional to 70,514.68, 97,318.88 and 40,293.07

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Solution

The fourth proportional to 70,514.68, 97,318.88 and 40,293.07 is: 55,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,514.68 : 97,318.88 = 40,293.07 : x
  2. Step 2: Convert to fraction form
    70,514.68/97,318.88 = 40,293.07/x
  3. Step 3: Cross multiply
    70,514.68x = 97,318.88 × 40,293.07
  4. Step 4: Simplify right side
    70,514.68x = 3,921,275,756.10
  5. Step 5: Solve for x
    x = 3,921,275,756.10/70,514.68
  6. Step 6: Final answer
    x = 55,609.36

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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.