Home / 88,304.60-121,856.63-50,066.72

Finding the Fourth Proportional to 88,304.60, 121,856.63 and 50,066.72

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Solution

The fourth proportional to 88,304.60, 121,856.63 and 50,066.72 is: 69,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,304.60 : 121,856.63 = 50,066.72 : x
  2. Step 2: Convert to fraction form
    88,304.60/121,856.63 = 50,066.72/x
  3. Step 3: Cross multiply
    88,304.60x = 121,856.63 × 50,066.72
  4. Step 4: Simplify right side
    88,304.60x = 6,100,960,914.74
  5. Step 5: Solve for x
    x = 6,100,960,914.74/88,304.60
  6. Step 6: Final answer
    x = 69,089.96

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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.