Home / 88,400.91-121,995.84-48,117.27

Finding the Fourth Proportional to 88,400.91, 121,995.84 and 48,117.27

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Solution

The fourth proportional to 88,400.91, 121,995.84 and 48,117.27 is: 66,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,400.91 : 121,995.84 = 48,117.27 : x
  2. Step 2: Convert to fraction form
    88,400.91/121,995.84 = 48,117.27/x
  3. Step 3: Cross multiply
    88,400.91x = 121,995.84 × 48,117.27
  4. Step 4: Simplify right side
    88,400.91x = 5,870,106,772.16
  5. Step 5: Solve for x
    x = 5,870,106,772.16/88,400.91
  6. Step 6: Final answer
    x = 66,403.24

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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.