Home / 88,186.02-121,698.18-47,899.86

Finding the Fourth Proportional to 88,186.02, 121,698.18 and 47,899.86

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Solution

The fourth proportional to 88,186.02, 121,698.18 and 47,899.86 is: 66,102.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,186.02 : 121,698.18 = 47,899.86 : x
  2. Step 2: Convert to fraction form
    88,186.02/121,698.18 = 47,899.86/x
  3. Step 3: Cross multiply
    88,186.02x = 121,698.18 × 47,899.86
  4. Step 4: Simplify right side
    88,186.02x = 5,829,325,784.25
  5. Step 5: Solve for x
    x = 5,829,325,784.25/88,186.02
  6. Step 6: Final answer
    x = 66,102.61

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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.