Home / 92,799.72-128,065.92-50,358.15

Finding the Fourth Proportional to 92,799.72, 128,065.92 and 50,358.15

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Solution

The fourth proportional to 92,799.72, 128,065.92 and 50,358.15 is: 69,495.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,799.72 : 128,065.92 = 50,358.15 : x
  2. Step 2: Convert to fraction form
    92,799.72/128,065.92 = 50,358.15/x
  3. Step 3: Cross multiply
    92,799.72x = 128,065.92 × 50,358.15
  4. Step 4: Simplify right side
    92,799.72x = 6,449,162,809.25
  5. Step 5: Solve for x
    x = 6,449,162,809.25/92,799.72
  6. Step 6: Final answer
    x = 69,495.50

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1.5x scale

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.