Home / 88,106.86-121,587.58-47,820.62

Finding the Fourth Proportional to 88,106.86, 121,587.58 and 47,820.62

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Solution

The fourth proportional to 88,106.86, 121,587.58 and 47,820.62 is: 65,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,106.86 : 121,587.58 = 47,820.62 : x
  2. Step 2: Convert to fraction form
    88,106.86/121,587.58 = 47,820.62/x
  3. Step 3: Cross multiply
    88,106.86x = 121,587.58 × 47,820.62
  4. Step 4: Simplify right side
    88,106.86x = 5,814,393,220.80
  5. Step 5: Solve for x
    x = 5,814,393,220.80/88,106.86
  6. Step 6: Final answer
    x = 65,992.51

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1.5x scale

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.