Home / 45,176.40-67,764.60-43,256.70

Finding the Fourth Proportional to 45,176.40, 67,764.60 and 43,256.70

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Solution

The fourth proportional to 45,176.40, 67,764.60 and 43,256.70 is: 64,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,176.40 : 67,764.60 = 43,256.70 : x
  2. Step 2: Convert to fraction form
    45,176.40/67,764.60 = 43,256.70/x
  3. Step 3: Cross multiply
    45,176.40x = 67,764.60 × 43,256.70
  4. Step 4: Simplify right side
    45,176.40x = 2,931,272,972.82
  5. Step 5: Solve for x
    x = 2,931,272,972.82/45,176.40
  6. Step 6: Final answer
    x = 64,885.05

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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.