Home / 88,162.14-121,629.15-50,416.14

Finding the Fourth Proportional to 88,162.14, 121,629.15 and 50,416.14

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Solution

The fourth proportional to 88,162.14, 121,629.15 and 50,416.14 is: 69,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,162.14 : 121,629.15 = 50,416.14 : x
  2. Step 2: Convert to fraction form
    88,162.14/121,629.15 = 50,416.14/x
  3. Step 3: Cross multiply
    88,162.14x = 121,629.15 × 50,416.14
  4. Step 4: Simplify right side
    88,162.14x = 6,132,072,254.48
  5. Step 5: Solve for x
    x = 6,132,072,254.48/88,162.14
  6. Step 6: Final answer
    x = 69,554.49

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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.