Home / 77,681.28-116,472.96-30,947.52

Finding the Fourth Proportional to 77,681.28, 116,472.96 and 30,947.52

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Solution

The fourth proportional to 77,681.28, 116,472.96 and 30,947.52 is: 46,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,681.28 : 116,472.96 = 30,947.52 : x
  2. Step 2: Convert to fraction form
    77,681.28/116,472.96 = 30,947.52/x
  3. Step 3: Cross multiply
    77,681.28x = 116,472.96 × 30,947.52
  4. Step 4: Simplify right side
    77,681.28x = 3,604,549,259.06
  5. Step 5: Solve for x
    x = 3,604,549,259.06/77,681.28
  6. Step 6: Final answer
    x = 46,401.77

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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.