Home / 55,534.74-76,558.20-39,591.52

Finding the Fourth Proportional to 55,534.74, 76,558.20 and 39,591.52

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Solution

The fourth proportional to 55,534.74, 76,558.20 and 39,591.52 is: 54,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,534.74 : 76,558.20 = 39,591.52 : x
  2. Step 2: Convert to fraction form
    55,534.74/76,558.20 = 39,591.52/x
  3. Step 3: Cross multiply
    55,534.74x = 76,558.20 × 39,591.52
  4. Step 4: Simplify right side
    55,534.74x = 3,031,055,506.46
  5. Step 5: Solve for x
    x = 3,031,055,506.46/55,534.74
  6. Step 6: Final answer
    x = 54,579.45

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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.