Home / 88,371.56-121,950.78-48,085.42

Finding the Fourth Proportional to 88,371.56, 121,950.78 and 48,085.42

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Solution

The fourth proportional to 88,371.56, 121,950.78 and 48,085.42 is: 66,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,371.56 : 121,950.78 = 48,085.42 : x
  2. Step 2: Convert to fraction form
    88,371.56/121,950.78 = 48,085.42/x
  3. Step 3: Cross multiply
    88,371.56x = 121,950.78 × 48,085.42
  4. Step 4: Simplify right side
    88,371.56x = 5,864,054,475.63
  5. Step 5: Solve for x
    x = 5,864,054,475.63/88,371.56
  6. Step 6: Final answer
    x = 66,356.81

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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.