Home / 88,193.25-121,706.80-47,907.01

Finding the Fourth Proportional to 88,193.25, 121,706.80 and 47,907.01

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Solution

The fourth proportional to 88,193.25, 121,706.80 and 47,907.01 is: 66,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,193.25 : 121,706.80 = 47,907.01 : x
  2. Step 2: Convert to fraction form
    88,193.25/121,706.80 = 47,907.01/x
  3. Step 3: Cross multiply
    88,193.25x = 121,706.80 × 47,907.01
  4. Step 4: Simplify right side
    88,193.25x = 5,830,608,276.13
  5. Step 5: Solve for x
    x = 5,830,608,276.13/88,193.25
  6. Step 6: Final answer
    x = 66,111.73

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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.