Home / 69,588.42-96,030.78-42,354.65

Finding the Fourth Proportional to 69,588.42, 96,030.78 and 42,354.65

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Solution

The fourth proportional to 69,588.42, 96,030.78 and 42,354.65 is: 58,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,588.42 : 96,030.78 = 42,354.65 : x
  2. Step 2: Convert to fraction form
    69,588.42/96,030.78 = 42,354.65/x
  3. Step 3: Cross multiply
    69,588.42x = 96,030.78 × 42,354.65
  4. Step 4: Simplify right side
    69,588.42x = 4,067,349,595.97
  5. Step 5: Solve for x
    x = 4,067,349,595.97/69,588.42
  6. Step 6: Final answer
    x = 58,448.66

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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.