Home / 47,770.84-71,646.93-45,400.06

Finding the Fourth Proportional to 47,770.84, 71,646.93 and 45,400.06

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Solution

The fourth proportional to 47,770.84, 71,646.93 and 45,400.06 is: 68,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,770.84 : 71,646.93 = 45,400.06 : x
  2. Step 2: Convert to fraction form
    47,770.84/71,646.93 = 45,400.06/x
  3. Step 3: Cross multiply
    47,770.84x = 71,646.93 × 45,400.06
  4. Step 4: Simplify right side
    47,770.84x = 3,252,774,920.82
  5. Step 5: Solve for x
    x = 3,252,774,920.82/47,770.84
  6. Step 6: Final answer
    x = 68,091.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.