Home / 88,403.04-121,998.78-48,119.41

Finding the Fourth Proportional to 88,403.04, 121,998.78 and 48,119.41

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Solution

The fourth proportional to 88,403.04, 121,998.78 and 48,119.41 is: 66,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,403.04 : 121,998.78 = 48,119.41 : x
  2. Step 2: Convert to fraction form
    88,403.04/121,998.78 = 48,119.41/x
  3. Step 3: Cross multiply
    88,403.04x = 121,998.78 × 48,119.41
  4. Step 4: Simplify right side
    88,403.04x = 5,870,509,314.32
  5. Step 5: Solve for x
    x = 5,870,509,314.32/88,403.04
  6. Step 6: Final answer
    x = 66,406.19

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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.