Home / 69,970.14-96,557.82-38,139.18

Finding the Fourth Proportional to 69,970.14, 96,557.82 and 38,139.18

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Solution

The fourth proportional to 69,970.14, 96,557.82 and 38,139.18 is: 52,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,970.14 : 96,557.82 = 38,139.18 : x
  2. Step 2: Convert to fraction form
    69,970.14/96,557.82 = 38,139.18/x
  3. Step 3: Cross multiply
    69,970.14x = 96,557.82 × 38,139.18
  4. Step 4: Simplify right side
    69,970.14x = 3,682,636,077.39
  5. Step 5: Solve for x
    x = 3,682,636,077.39/69,970.14
  6. Step 6: Final answer
    x = 52,631.54

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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.