Home / 87,925.39-121,323.32-52,109.62

Finding the Fourth Proportional to 87,925.39, 121,323.32 and 52,109.62

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Solution

The fourth proportional to 87,925.39, 121,323.32 and 52,109.62 is: 71,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,925.39 : 121,323.32 = 52,109.62 : x
  2. Step 2: Convert to fraction form
    87,925.39/121,323.32 = 52,109.62/x
  3. Step 3: Cross multiply
    87,925.39x = 121,323.32 × 52,109.62
  4. Step 4: Simplify right side
    87,925.39x = 6,322,111,538.48
  5. Step 5: Solve for x
    x = 6,322,111,538.48/87,925.39
  6. Step 6: Final answer
    x = 71,903.14

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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.