Home / 112,226.50-154,875.81-61,928.74

Finding the Fourth Proportional to 112,226.50, 154,875.81 and 61,928.74

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Solution

The fourth proportional to 112,226.50, 154,875.81 and 61,928.74 is: 85,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,226.50 : 154,875.81 = 61,928.74 : x
  2. Step 2: Convert to fraction form
    112,226.50/154,875.81 = 61,928.74/x
  3. Step 3: Cross multiply
    112,226.50x = 154,875.81 × 61,928.74
  4. Step 4: Simplify right side
    112,226.50x = 9,591,263,769.78
  5. Step 5: Solve for x
    x = 9,591,263,769.78/112,226.50
  6. Step 6: Final answer
    x = 85,463.45

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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.