Home / 62,693.09-93,979.16-21,117.41

Finding the Fourth Proportional to 62,693.09, 93,979.16 and 21,117.41

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Solution

The fourth proportional to 62,693.09, 93,979.16 and 21,117.41 is: 31,655.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,693.09 : 93,979.16 = 21,117.41 : x
  2. Step 2: Convert to fraction form
    62,693.09/93,979.16 = 21,117.41/x
  3. Step 3: Cross multiply
    62,693.09x = 93,979.16 × 21,117.41
  4. Step 4: Simplify right side
    62,693.09x = 1,984,596,347.59
  5. Step 5: Solve for x
    x = 1,984,596,347.59/62,693.09
  6. Step 6: Final answer
    x = 31,655.74

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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.