Home / 53,971.76-80,985.18-36,404.76

Finding the Fourth Proportional to 53,971.76, 80,985.18 and 36,404.76

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Solution

The fourth proportional to 53,971.76, 80,985.18 and 36,404.76 is: 54,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,971.76 : 80,985.18 = 36,404.76 : x
  2. Step 2: Convert to fraction form
    53,971.76/80,985.18 = 36,404.76/x
  3. Step 3: Cross multiply
    53,971.76x = 80,985.18 × 36,404.76
  4. Step 4: Simplify right side
    53,971.76x = 2,948,246,041.46
  5. Step 5: Solve for x
    x = 2,948,246,041.46/53,971.76
  6. Step 6: Final answer
    x = 54,625.72

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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.