Home / 70,943.81-97,902.46-39,114.76

Finding the Fourth Proportional to 70,943.81, 97,902.46 and 39,114.76

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Solution

The fourth proportional to 70,943.81, 97,902.46 and 39,114.76 is: 53,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,943.81 : 97,902.46 = 39,114.76 : x
  2. Step 2: Convert to fraction form
    70,943.81/97,902.46 = 39,114.76/x
  3. Step 3: Cross multiply
    70,943.81x = 97,902.46 × 39,114.76
  4. Step 4: Simplify right side
    70,943.81x = 3,829,431,226.31
  5. Step 5: Solve for x
    x = 3,829,431,226.31/70,943.81
  6. Step 6: Final answer
    x = 53,978.37

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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.