Home / 69,987.40-96,582.66-38,156.36

Finding the Fourth Proportional to 69,987.40, 96,582.66 and 38,156.36

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Solution

The fourth proportional to 69,987.40, 96,582.66 and 38,156.36 is: 52,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,987.40 : 96,582.66 = 38,156.36 : x
  2. Step 2: Convert to fraction form
    69,987.40/96,582.66 = 38,156.36/x
  3. Step 3: Cross multiply
    69,987.40x = 96,582.66 × 38,156.36
  4. Step 4: Simplify right side
    69,987.40x = 3,685,242,744.72
  5. Step 5: Solve for x
    x = 3,685,242,744.72/69,987.40
  6. Step 6: Final answer
    x = 52,655.80

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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.