Home / 121,348.47-167,461.73-67,636.95

Finding the Fourth Proportional to 121,348.47, 167,461.73 and 67,636.95

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Solution

The fourth proportional to 121,348.47, 167,461.73 and 67,636.95 is: 93,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,348.47 : 167,461.73 = 67,636.95 : x
  2. Step 2: Convert to fraction form
    121,348.47/167,461.73 = 67,636.95/x
  3. Step 3: Cross multiply
    121,348.47x = 167,461.73 × 67,636.95
  4. Step 4: Simplify right side
    121,348.47x = 11,326,600,320.74
  5. Step 5: Solve for x
    x = 11,326,600,320.74/121,348.47
  6. Step 6: Final answer
    x = 93,339.46

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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.