Home / 70,316.55-97,036.11-40,101.09

Finding the Fourth Proportional to 70,316.55, 97,036.11 and 40,101.09

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Solution

The fourth proportional to 70,316.55, 97,036.11 and 40,101.09 is: 55,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,316.55 : 97,036.11 = 40,101.09 : x
  2. Step 2: Convert to fraction form
    70,316.55/97,036.11 = 40,101.09/x
  3. Step 3: Cross multiply
    70,316.55x = 97,036.11 × 40,101.09
  4. Step 4: Simplify right side
    70,316.55x = 3,891,253,780.36
  5. Step 5: Solve for x
    x = 3,891,253,780.36/70,316.55
  6. Step 6: Final answer
    x = 55,339.09

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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.