Home / 88,119.11-121,601.08-47,832.01

Finding the Fourth Proportional to 88,119.11, 121,601.08 and 47,832.01

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Solution

The fourth proportional to 88,119.11, 121,601.08 and 47,832.01 is: 66,006.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,119.11 : 121,601.08 = 47,832.01 : x
  2. Step 2: Convert to fraction form
    88,119.11/121,601.08 = 47,832.01/x
  3. Step 3: Cross multiply
    88,119.11x = 121,601.08 × 47,832.01
  4. Step 4: Simplify right side
    88,119.11x = 5,816,424,074.57
  5. Step 5: Solve for x
    x = 5,816,424,074.57/88,119.11
  6. Step 6: Final answer
    x = 66,006.39

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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.