Home / 88,007.16-121,450.14-50,280.60

Finding the Fourth Proportional to 88,007.16, 121,450.14 and 50,280.60

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Solution

The fourth proportional to 88,007.16, 121,450.14 and 50,280.60 is: 69,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,007.16 : 121,450.14 = 50,280.60 : x
  2. Step 2: Convert to fraction form
    88,007.16/121,450.14 = 50,280.60/x
  3. Step 3: Cross multiply
    88,007.16x = 121,450.14 × 50,280.60
  4. Step 4: Simplify right side
    88,007.16x = 6,106,585,909.28
  5. Step 5: Solve for x
    x = 6,106,585,909.28/88,007.16
  6. Step 6: Final answer
    x = 69,387.38

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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.