Home / 88,263.72-121,775.94-54,749.16

Finding the Fourth Proportional to 88,263.72, 121,775.94 and 54,749.16

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Solution

The fourth proportional to 88,263.72, 121,775.94 and 54,749.16 is: 75,536.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,263.72 : 121,775.94 = 54,749.16 : x
  2. Step 2: Convert to fraction form
    88,263.72/121,775.94 = 54,749.16/x
  3. Step 3: Cross multiply
    88,263.72x = 121,775.94 × 54,749.16
  4. Step 4: Simplify right side
    88,263.72x = 6,667,130,423.21
  5. Step 5: Solve for x
    x = 6,667,130,423.21/88,263.72
  6. Step 6: Final answer
    x = 75,536.48

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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.