Home / 55,750.25-76,925.42-31,551.10

Finding the Fourth Proportional to 55,750.25, 76,925.42 and 31,551.10

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Solution

The fourth proportional to 55,750.25, 76,925.42 and 31,551.10 is: 43,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,750.25 : 76,925.42 = 31,551.10 : x
  2. Step 2: Convert to fraction form
    55,750.25/76,925.42 = 31,551.10/x
  3. Step 3: Cross multiply
    55,750.25x = 76,925.42 × 31,551.10
  4. Step 4: Simplify right side
    55,750.25x = 2,427,081,618.96
  5. Step 5: Solve for x
    x = 2,427,081,618.96/55,750.25
  6. Step 6: Final answer
    x = 43,534.90

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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.