Home / 92,828.52-128,099.92-50,386.14

Finding the Fourth Proportional to 92,828.52, 128,099.92 and 50,386.14

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Solution

The fourth proportional to 92,828.52, 128,099.92 and 50,386.14 is: 69,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,828.52 : 128,099.92 = 50,386.14 : x
  2. Step 2: Convert to fraction form
    92,828.52/128,099.92 = 50,386.14/x
  3. Step 3: Cross multiply
    92,828.52x = 128,099.92 × 50,386.14
  4. Step 4: Simplify right side
    92,828.52x = 6,454,460,503.11
  5. Step 5: Solve for x
    x = 6,454,460,503.11/92,828.52
  6. Step 6: Final answer
    x = 69,531.01

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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.