Home / 70,343.67-97,083.51-40,122.05

Finding the Fourth Proportional to 70,343.67, 97,083.51 and 40,122.05

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Solution

The fourth proportional to 70,343.67, 97,083.51 and 40,122.05 is: 55,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,343.67 : 97,083.51 = 40,122.05 : x
  2. Step 2: Convert to fraction form
    70,343.67/97,083.51 = 40,122.05/x
  3. Step 3: Cross multiply
    70,343.67x = 97,083.51 × 40,122.05
  4. Step 4: Simplify right side
    70,343.67x = 3,895,189,442.40
  5. Step 5: Solve for x
    x = 3,895,189,442.40/70,343.67
  6. Step 6: Final answer
    x = 55,373.70

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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.