Home / 69,890.74-104,249.56-64,159.18

Finding the Fourth Proportional to 69,890.74, 104,249.56 and 64,159.18

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Solution

The fourth proportional to 69,890.74, 104,249.56 and 64,159.18 is: 95,700.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,890.74 : 104,249.56 = 64,159.18 : x
  2. Step 2: Convert to fraction form
    69,890.74/104,249.56 = 64,159.18/x
  3. Step 3: Cross multiply
    69,890.74x = 104,249.56 × 64,159.18
  4. Step 4: Simplify right side
    69,890.74x = 6,688,565,964.16
  5. Step 5: Solve for x
    x = 6,688,565,964.16/69,890.74
  6. Step 6: Final answer
    x = 95,700.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.