Home / 81,525.83-112,478.74-49,248.36

Finding the Fourth Proportional to 81,525.83, 112,478.74 and 49,248.36

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Solution

The fourth proportional to 81,525.83, 112,478.74 and 49,248.36 is: 67,946.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,525.83 : 112,478.74 = 49,248.36 : x
  2. Step 2: Convert to fraction form
    81,525.83/112,478.74 = 49,248.36/x
  3. Step 3: Cross multiply
    81,525.83x = 112,478.74 × 49,248.36
  4. Step 4: Simplify right side
    81,525.83x = 5,539,393,356.75
  5. Step 5: Solve for x
    x = 5,539,393,356.75/81,525.83
  6. Step 6: Final answer
    x = 67,946.49

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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.