Home / 61,988.12-85,543.64-33,693.84

Finding the Fourth Proportional to 61,988.12, 85,543.64 and 33,693.84

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Solution

The fourth proportional to 61,988.12, 85,543.64 and 33,693.84 is: 46,497.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,988.12 : 85,543.64 = 33,693.84 : x
  2. Step 2: Convert to fraction form
    61,988.12/85,543.64 = 33,693.84/x
  3. Step 3: Cross multiply
    61,988.12x = 85,543.64 × 33,693.84
  4. Step 4: Simplify right side
    61,988.12x = 2,882,293,719.18
  5. Step 5: Solve for x
    x = 2,882,293,719.18/61,988.12
  6. Step 6: Final answer
    x = 46,497.52

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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.