Home / 77,848.48-107,438.84-47,653.76

Finding the Fourth Proportional to 77,848.48, 107,438.84 and 47,653.76

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Solution

The fourth proportional to 77,848.48, 107,438.84 and 47,653.76 is: 65,767.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,848.48 : 107,438.84 = 47,653.76 : x
  2. Step 2: Convert to fraction form
    77,848.48/107,438.84 = 47,653.76/x
  3. Step 3: Cross multiply
    77,848.48x = 107,438.84 × 47,653.76
  4. Step 4: Simplify right side
    77,848.48x = 5,119,864,158.84
  5. Step 5: Solve for x
    x = 5,119,864,158.84/77,848.48
  6. Step 6: Final answer
    x = 65,767.04

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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.