Home / 88,407.54-121,993.08-50,159.34

Finding the Fourth Proportional to 88,407.54, 121,993.08 and 50,159.34

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Solution

The fourth proportional to 88,407.54, 121,993.08 and 50,159.34 is: 69,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,407.54 : 121,993.08 = 50,159.34 : x
  2. Step 2: Convert to fraction form
    88,407.54/121,993.08 = 50,159.34/x
  3. Step 3: Cross multiply
    88,407.54x = 121,993.08 × 50,159.34
  4. Step 4: Simplify right side
    88,407.54x = 6,119,092,377.37
  5. Step 5: Solve for x
    x = 6,119,092,377.37/88,407.54
  6. Step 6: Final answer
    x = 69,214.60

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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.