Home / 88,402.80-121,998.44-48,119.16

Finding the Fourth Proportional to 88,402.80, 121,998.44 and 48,119.16

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Solution

The fourth proportional to 88,402.80, 121,998.44 and 48,119.16 is: 66,405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,402.80 : 121,998.44 = 48,119.16 : x
  2. Step 2: Convert to fraction form
    88,402.80/121,998.44 = 48,119.16/x
  3. Step 3: Cross multiply
    88,402.80x = 121,998.44 × 48,119.16
  4. Step 4: Simplify right side
    88,402.80x = 5,870,462,454.11
  5. Step 5: Solve for x
    x = 5,870,462,454.11/88,402.80
  6. Step 6: Final answer
    x = 66,405.84

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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.