Home / 70,380.35-97,126.46-40,165.07

Finding the Fourth Proportional to 70,380.35, 97,126.46 and 40,165.07

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Solution

The fourth proportional to 70,380.35, 97,126.46 and 40,165.07 is: 55,428.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,380.35 : 97,126.46 = 40,165.07 : x
  2. Step 2: Convert to fraction form
    70,380.35/97,126.46 = 40,165.07/x
  3. Step 3: Cross multiply
    70,380.35x = 97,126.46 × 40,165.07
  4. Step 4: Simplify right side
    70,380.35x = 3,901,090,378.29
  5. Step 5: Solve for x
    x = 3,901,090,378.29/70,380.35
  6. Step 6: Final answer
    x = 55,428.69

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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.