Home / 88,233-121,762.26-47,946.74

Finding the Fourth Proportional to 88,233, 121,762.26 and 47,946.74

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Solution

The fourth proportional to 88,233, 121,762.26 and 47,946.74 is: 66,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,233 : 121,762.26 = 47,946.74 : x
  2. Step 2: Convert to fraction form
    88,233/121,762.26 = 47,946.74/x
  3. Step 3: Cross multiply
    88,233x = 121,762.26 × 47,946.74
  4. Step 4: Simplify right side
    88,233x = 5,838,103,422.03
  5. Step 5: Solve for x
    x = 5,838,103,422.03/88,233
  6. Step 6: Final answer
    x = 66,166.89

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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.