Home / 92,765.39-128,016.49-50,323.93

Finding the Fourth Proportional to 92,765.39, 128,016.49 and 50,323.93

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Solution

The fourth proportional to 92,765.39, 128,016.49 and 50,323.93 is: 69,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,765.39 : 128,016.49 = 50,323.93 : x
  2. Step 2: Convert to fraction form
    92,765.39/128,016.49 = 50,323.93/x
  3. Step 3: Cross multiply
    92,765.39x = 128,016.49 × 50,323.93
  4. Step 4: Simplify right side
    92,765.39x = 6,442,292,881.61
  5. Step 5: Solve for x
    x = 6,442,292,881.61/92,765.39
  6. Step 6: Final answer
    x = 69,447.16

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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.