Home / 88,190.40-121,700.64-50,462.24

Finding the Fourth Proportional to 88,190.40, 121,700.64 and 50,462.24

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Solution

The fourth proportional to 88,190.40, 121,700.64 and 50,462.24 is: 69,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,190.40 : 121,700.64 = 50,462.24 : x
  2. Step 2: Convert to fraction form
    88,190.40/121,700.64 = 50,462.24/x
  3. Step 3: Cross multiply
    88,190.40x = 121,700.64 × 50,462.24
  4. Step 4: Simplify right side
    88,190.40x = 6,141,286,903.83
  5. Step 5: Solve for x
    x = 6,141,286,903.83/88,190.40
  6. Step 6: Final answer
    x = 69,636.68

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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.