Home / 88,262.95-121,804.05-47,977.33

Finding the Fourth Proportional to 88,262.95, 121,804.05 and 47,977.33

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Solution

The fourth proportional to 88,262.95, 121,804.05 and 47,977.33 is: 66,209.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,262.95 : 121,804.05 = 47,977.33 : x
  2. Step 2: Convert to fraction form
    88,262.95/121,804.05 = 47,977.33/x
  3. Step 3: Cross multiply
    88,262.95x = 121,804.05 × 47,977.33
  4. Step 4: Simplify right side
    88,262.95x = 5,843,833,102.19
  5. Step 5: Solve for x
    x = 5,843,833,102.19/88,262.95
  6. Step 6: Final answer
    x = 66,209.36

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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.