Home / 88,043.91-121,500.60-49,802.64

Finding the Fourth Proportional to 88,043.91, 121,500.60 and 49,802.64

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Solution

The fourth proportional to 88,043.91, 121,500.60 and 49,802.64 is: 68,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,043.91 : 121,500.60 = 49,802.64 : x
  2. Step 2: Convert to fraction form
    88,043.91/121,500.60 = 49,802.64/x
  3. Step 3: Cross multiply
    88,043.91x = 121,500.60 × 49,802.64
  4. Step 4: Simplify right side
    88,043.91x = 6,051,050,641.58
  5. Step 5: Solve for x
    x = 6,051,050,641.58/88,043.91
  6. Step 6: Final answer
    x = 68,727.65

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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.