Home / 69,862.40-96,430.56-47,519.36

Finding the Fourth Proportional to 69,862.40, 96,430.56 and 47,519.36

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Solution

The fourth proportional to 69,862.40, 96,430.56 and 47,519.36 is: 65,590.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,862.40 : 96,430.56 = 47,519.36 : x
  2. Step 2: Convert to fraction form
    69,862.40/96,430.56 = 47,519.36/x
  3. Step 3: Cross multiply
    69,862.40x = 96,430.56 × 47,519.36
  4. Step 4: Simplify right side
    69,862.40x = 4,582,318,495.64
  5. Step 5: Solve for x
    x = 4,582,318,495.64/69,862.40
  6. Step 6: Final answer
    x = 65,590.63

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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.