Home / 91,106.60-125,727.28-50,819.32

Finding the Fourth Proportional to 91,106.60, 125,727.28 and 50,819.32

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Solution

The fourth proportional to 91,106.60, 125,727.28 and 50,819.32 is: 70,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,106.60 : 125,727.28 = 50,819.32 : x
  2. Step 2: Convert to fraction form
    91,106.60/125,727.28 = 50,819.32/x
  3. Step 3: Cross multiply
    91,106.60x = 125,727.28 × 50,819.32
  4. Step 4: Simplify right side
    91,106.60x = 6,389,374,875.05
  5. Step 5: Solve for x
    x = 6,389,374,875.05/91,106.60
  6. Step 6: Final answer
    x = 70,130.76

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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.