Home / 55,866.12-77,096.76-30,374.20

Finding the Fourth Proportional to 55,866.12, 77,096.76 and 30,374.20

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Solution

The fourth proportional to 55,866.12, 77,096.76 and 30,374.20 is: 41,917.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,866.12 : 77,096.76 = 30,374.20 : x
  2. Step 2: Convert to fraction form
    55,866.12/77,096.76 = 30,374.20/x
  3. Step 3: Cross multiply
    55,866.12x = 77,096.76 × 30,374.20
  4. Step 4: Simplify right side
    55,866.12x = 2,341,752,473.31
  5. Step 5: Solve for x
    x = 2,341,752,473.31/55,866.12
  6. Step 6: Final answer
    x = 41,917.22

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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.