Home / 97,022.68-145,360.88-52,621.11

Finding the Fourth Proportional to 97,022.68, 145,360.88 and 52,621.11

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Solution

The fourth proportional to 97,022.68, 145,360.88 and 52,621.11 is: 78,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,022.68 : 145,360.88 = 52,621.11 : x
  2. Step 2: Convert to fraction form
    97,022.68/145,360.88 = 52,621.11/x
  3. Step 3: Cross multiply
    97,022.68x = 145,360.88 × 52,621.11
  4. Step 4: Simplify right side
    97,022.68x = 7,649,050,593.07
  5. Step 5: Solve for x
    x = 7,649,050,593.07/97,022.68
  6. Step 6: Final answer
    x = 78,837.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.