Home / 67,421.60-101,132.40-36,317.60

Finding the Fourth Proportional to 67,421.60, 101,132.40 and 36,317.60

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Solution

The fourth proportional to 67,421.60, 101,132.40 and 36,317.60 is: 54,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,421.60 : 101,132.40 = 36,317.60 : x
  2. Step 2: Convert to fraction form
    67,421.60/101,132.40 = 36,317.60/x
  3. Step 3: Cross multiply
    67,421.60x = 101,132.40 × 36,317.60
  4. Step 4: Simplify right side
    67,421.60x = 3,672,886,050.24
  5. Step 5: Solve for x
    x = 3,672,886,050.24/67,421.60
  6. Step 6: Final answer
    x = 54,476.40

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1.5x scale

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.