Home / 81,830.25-112,927.34-49,566.08

Finding the Fourth Proportional to 81,830.25, 112,927.34 and 49,566.08

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Solution

The fourth proportional to 81,830.25, 112,927.34 and 49,566.08 is: 68,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,830.25 : 112,927.34 = 49,566.08 : x
  2. Step 2: Convert to fraction form
    81,830.25/112,927.34 = 49,566.08/x
  3. Step 3: Cross multiply
    81,830.25x = 112,927.34 × 49,566.08
  4. Step 4: Simplify right side
    81,830.25x = 5,597,365,200.24
  5. Step 5: Solve for x
    x = 5,597,365,200.24/81,830.25
  6. Step 6: Final answer
    x = 68,402.15

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1.5x scale

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.