Home / 70,981.36-106,497.56-30,437.92

Finding the Fourth Proportional to 70,981.36, 106,497.56 and 30,437.92

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Solution

The fourth proportional to 70,981.36, 106,497.56 and 30,437.92 is: 45,667.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,981.36 : 106,497.56 = 30,437.92 : x
  2. Step 2: Convert to fraction form
    70,981.36/106,497.56 = 30,437.92/x
  3. Step 3: Cross multiply
    70,981.36x = 106,497.56 × 30,437.92
  4. Step 4: Simplify right side
    70,981.36x = 3,241,564,211.48
  5. Step 5: Solve for x
    x = 3,241,564,211.48/70,981.36
  6. Step 6: Final answer
    x = 45,667.82

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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.