Home / 88,331.58-121,901.85-50,605.92

Finding the Fourth Proportional to 88,331.58, 121,901.85 and 50,605.92

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Solution

The fourth proportional to 88,331.58, 121,901.85 and 50,605.92 is: 69,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,331.58 : 121,901.85 = 50,605.92 : x
  2. Step 2: Convert to fraction form
    88,331.58/121,901.85 = 50,605.92/x
  3. Step 3: Cross multiply
    88,331.58x = 121,901.85 × 50,605.92
  4. Step 4: Simplify right side
    88,331.58x = 6,168,955,268.95
  5. Step 5: Solve for x
    x = 6,168,955,268.95/88,331.58
  6. Step 6: Final answer
    x = 69,838.62

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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.