Home / 64,982.30-97,473.45-42,820.70

Finding the Fourth Proportional to 64,982.30, 97,473.45 and 42,820.70

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Solution

The fourth proportional to 64,982.30, 97,473.45 and 42,820.70 is: 64,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,982.30 : 97,473.45 = 42,820.70 : x
  2. Step 2: Convert to fraction form
    64,982.30/97,473.45 = 42,820.70/x
  3. Step 3: Cross multiply
    64,982.30x = 97,473.45 × 42,820.70
  4. Step 4: Simplify right side
    64,982.30x = 4,173,881,360.42
  5. Step 5: Solve for x
    x = 4,173,881,360.42/64,982.30
  6. Step 6: Final answer
    x = 64,231.05

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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.