Home / 62,655.84-93,923.28-21,080.16

Finding the Fourth Proportional to 62,655.84, 93,923.28 and 21,080.16

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Solution

The fourth proportional to 62,655.84, 93,923.28 and 21,080.16 is: 31,599.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,655.84 : 93,923.28 = 21,080.16 : x
  2. Step 2: Convert to fraction form
    62,655.84/93,923.28 = 21,080.16/x
  3. Step 3: Cross multiply
    62,655.84x = 93,923.28 × 21,080.16
  4. Step 4: Simplify right side
    62,655.84x = 1,979,917,770.12
  5. Step 5: Solve for x
    x = 1,979,917,770.12/62,655.84
  6. Step 6: Final answer
    x = 31,599.89

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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.