Home / 88,332.50-121,898.86-50,628.62

Finding the Fourth Proportional to 88,332.50, 121,898.86 and 50,628.62

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Solution

The fourth proportional to 88,332.50, 121,898.86 and 50,628.62 is: 69,867.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,332.50 : 121,898.86 = 50,628.62 : x
  2. Step 2: Convert to fraction form
    88,332.50/121,898.86 = 50,628.62/x
  3. Step 3: Cross multiply
    88,332.50x = 121,898.86 × 50,628.62
  4. Step 4: Simplify right side
    88,332.50x = 6,171,571,061.37
  5. Step 5: Solve for x
    x = 6,171,571,061.37/88,332.50
  6. Step 6: Final answer
    x = 69,867.50

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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.