Home / 88,400.01-121,995-48,115.23

Finding the Fourth Proportional to 88,400.01, 121,995 and 48,115.23

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Solution

The fourth proportional to 88,400.01, 121,995 and 48,115.23 is: 66,400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,400.01 : 121,995 = 48,115.23 : x
  2. Step 2: Convert to fraction form
    88,400.01/121,995 = 48,115.23/x
  3. Step 3: Cross multiply
    88,400.01x = 121,995 × 48,115.23
  4. Step 4: Simplify right side
    88,400.01x = 5,869,817,483.85
  5. Step 5: Solve for x
    x = 5,869,817,483.85/88,400.01
  6. Step 6: Final answer
    x = 66,400.65

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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.