Home / 84,715.85-127,011.49-40,373.74

Finding the Fourth Proportional to 84,715.85, 127,011.49 and 40,373.74

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Solution

The fourth proportional to 84,715.85, 127,011.49 and 40,373.74 is: 60,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,715.85 : 127,011.49 = 40,373.74 : x
  2. Step 2: Convert to fraction form
    84,715.85/127,011.49 = 40,373.74/x
  3. Step 3: Cross multiply
    84,715.85x = 127,011.49 × 40,373.74
  4. Step 4: Simplify right side
    84,715.85x = 5,127,928,455.81
  5. Step 5: Solve for x
    x = 5,127,928,455.81/84,715.85
  6. Step 6: Final answer
    x = 60,530.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.