Home / 88,263.66-121,798.76-47,977.22

Finding the Fourth Proportional to 88,263.66, 121,798.76 and 47,977.22

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Solution

The fourth proportional to 88,263.66, 121,798.76 and 47,977.22 is: 66,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,263.66 : 121,798.76 = 47,977.22 : x
  2. Step 2: Convert to fraction form
    88,263.66/121,798.76 = 47,977.22/x
  3. Step 3: Cross multiply
    88,263.66x = 121,798.76 × 47,977.22
  4. Step 4: Simplify right side
    88,263.66x = 5,843,565,904.25
  5. Step 5: Solve for x
    x = 5,843,565,904.25/88,263.66
  6. Step 6: Final answer
    x = 66,205.80

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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.