Home / 69,706.48-96,145.68-42,864.16

Finding the Fourth Proportional to 69,706.48, 96,145.68 and 42,864.16

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Solution

The fourth proportional to 69,706.48, 96,145.68 and 42,864.16 is: 59,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,706.48 : 96,145.68 = 42,864.16 : x
  2. Step 2: Convert to fraction form
    69,706.48/96,145.68 = 42,864.16/x
  3. Step 3: Cross multiply
    69,706.48x = 96,145.68 × 42,864.16
  4. Step 4: Simplify right side
    69,706.48x = 4,121,203,810.83
  5. Step 5: Solve for x
    x = 4,121,203,810.83/69,706.48
  6. Step 6: Final answer
    x = 59,122.25

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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.