Home / 84,911.81-127,318.51-34,935.45

Finding the Fourth Proportional to 84,911.81, 127,318.51 and 34,935.45

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Solution

The fourth proportional to 84,911.81, 127,318.51 and 34,935.45 is: 52,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,911.81 : 127,318.51 = 34,935.45 : x
  2. Step 2: Convert to fraction form
    84,911.81/127,318.51 = 34,935.45/x
  3. Step 3: Cross multiply
    84,911.81x = 127,318.51 × 34,935.45
  4. Step 4: Simplify right side
    84,911.81x = 4,447,928,929.17
  5. Step 5: Solve for x
    x = 4,447,928,929.17/84,911.81
  6. Step 6: Final answer
    x = 52,382.92

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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.