Home / 64,820.20-97,230.30-42,701.80

Finding the Fourth Proportional to 64,820.20, 97,230.30 and 42,701.80

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Solution

The fourth proportional to 64,820.20, 97,230.30 and 42,701.80 is: 64,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,820.20 : 97,230.30 = 42,701.80 : x
  2. Step 2: Convert to fraction form
    64,820.20/97,230.30 = 42,701.80/x
  3. Step 3: Cross multiply
    64,820.20x = 97,230.30 × 42,701.80
  4. Step 4: Simplify right side
    64,820.20x = 4,151,908,824.54
  5. Step 5: Solve for x
    x = 4,151,908,824.54/64,820.20
  6. Step 6: Final answer
    x = 64,052.70

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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.