Home / 88,116.83-121,600.80-47,830.26

Finding the Fourth Proportional to 88,116.83, 121,600.80 and 47,830.26

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Solution

The fourth proportional to 88,116.83, 121,600.80 and 47,830.26 is: 66,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,116.83 : 121,600.80 = 47,830.26 : x
  2. Step 2: Convert to fraction form
    88,116.83/121,600.80 = 47,830.26/x
  3. Step 3: Cross multiply
    88,116.83x = 121,600.80 × 47,830.26
  4. Step 4: Simplify right side
    88,116.83x = 5,816,197,880.21
  5. Step 5: Solve for x
    x = 5,816,197,880.21/88,116.83
  6. Step 6: Final answer
    x = 66,005.53

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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.