Home / 67,982.55-101,973.83-42,941.40

Finding the Fourth Proportional to 67,982.55, 101,973.83 and 42,941.40

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Solution

The fourth proportional to 67,982.55, 101,973.83 and 42,941.40 is: 64,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,982.55 : 101,973.83 = 42,941.40 : x
  2. Step 2: Convert to fraction form
    67,982.55/101,973.83 = 42,941.40/x
  3. Step 3: Cross multiply
    67,982.55x = 101,973.83 × 42,941.40
  4. Step 4: Simplify right side
    67,982.55x = 4,378,898,808.86
  5. Step 5: Solve for x
    x = 4,378,898,808.86/67,982.55
  6. Step 6: Final answer
    x = 64,412.10

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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.