Home / 77,948.55-107,566.38-49,283.64

Finding the Fourth Proportional to 77,948.55, 107,566.38 and 49,283.64

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Solution

The fourth proportional to 77,948.55, 107,566.38 and 49,283.64 is: 68,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,948.55 : 107,566.38 = 49,283.64 : x
  2. Step 2: Convert to fraction form
    77,948.55/107,566.38 = 49,283.64/x
  3. Step 3: Cross multiply
    77,948.55x = 107,566.38 × 49,283.64
  4. Step 4: Simplify right side
    77,948.55x = 5,301,262,748.02
  5. Step 5: Solve for x
    x = 5,301,262,748.02/77,948.55
  6. Step 6: Final answer
    x = 68,009.77

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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.