Home / 58,777.10-81,121.56-33,284.78

Finding the Fourth Proportional to 58,777.10, 81,121.56 and 33,284.78

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Solution

The fourth proportional to 58,777.10, 81,121.56 and 33,284.78 is: 45,938.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,777.10 : 81,121.56 = 33,284.78 : x
  2. Step 2: Convert to fraction form
    58,777.10/81,121.56 = 33,284.78/x
  3. Step 3: Cross multiply
    58,777.10x = 81,121.56 × 33,284.78
  4. Step 4: Simplify right side
    58,777.10x = 2,700,113,277.86
  5. Step 5: Solve for x
    x = 2,700,113,277.86/58,777.10
  6. Step 6: Final answer
    x = 45,938.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.