Home / 88,166.27-121,714.25-55,933.81

Finding the Fourth Proportional to 88,166.27, 121,714.25 and 55,933.81

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Solution

The fourth proportional to 88,166.27, 121,714.25 and 55,933.81 is: 77,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,166.27 : 121,714.25 = 55,933.81 : x
  2. Step 2: Convert to fraction form
    88,166.27/121,714.25 = 55,933.81/x
  3. Step 3: Cross multiply
    88,166.27x = 121,714.25 × 55,933.81
  4. Step 4: Simplify right side
    88,166.27x = 6,807,941,125.22
  5. Step 5: Solve for x
    x = 6,807,941,125.22/88,166.27
  6. Step 6: Final answer
    x = 77,217.08

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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.