Home / 88,141.77-121,634.97-47,854.74

Finding the Fourth Proportional to 88,141.77, 121,634.97 and 47,854.74

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Solution

The fourth proportional to 88,141.77, 121,634.97 and 47,854.74 is: 66,039.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,141.77 : 121,634.97 = 47,854.74 : x
  2. Step 2: Convert to fraction form
    88,141.77/121,634.97 = 47,854.74/x
  3. Step 3: Cross multiply
    88,141.77x = 121,634.97 × 47,854.74
  4. Step 4: Simplify right side
    88,141.77x = 5,820,809,864.26
  5. Step 5: Solve for x
    x = 5,820,809,864.26/88,141.77
  6. Step 6: Final answer
    x = 66,039.18

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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.