Home / 88,263.35-121,800.43-50,530.31

Finding the Fourth Proportional to 88,263.35, 121,800.43 and 50,530.31

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Solution

The fourth proportional to 88,263.35, 121,800.43 and 50,530.31 is: 69,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,263.35 : 121,800.43 = 50,530.31 : x
  2. Step 2: Convert to fraction form
    88,263.35/121,800.43 = 50,530.31/x
  3. Step 3: Cross multiply
    88,263.35x = 121,800.43 × 50,530.31
  4. Step 4: Simplify right side
    88,263.35x = 6,154,613,486.03
  5. Step 5: Solve for x
    x = 6,154,613,486.03/88,263.35
  6. Step 6: Final answer
    x = 69,730.11

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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.