Home / 88,342.84-121,911.92-48,055.74

Finding the Fourth Proportional to 88,342.84, 121,911.92 and 48,055.74

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Solution

The fourth proportional to 88,342.84, 121,911.92 and 48,055.74 is: 66,316.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,342.84 : 121,911.92 = 48,055.74 : x
  2. Step 2: Convert to fraction form
    88,342.84/121,911.92 = 48,055.74/x
  3. Step 3: Cross multiply
    88,342.84x = 121,911.92 × 48,055.74
  4. Step 4: Simplify right side
    88,342.84x = 5,858,567,530.42
  5. Step 5: Solve for x
    x = 5,858,567,530.42/88,342.84
  6. Step 6: Final answer
    x = 66,316.27

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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.