Home / 88,303.50-121,858.83-50,580.18

Finding the Fourth Proportional to 88,303.50, 121,858.83 and 50,580.18

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Solution

The fourth proportional to 88,303.50, 121,858.83 and 50,580.18 is: 69,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,303.50 : 121,858.83 = 50,580.18 : x
  2. Step 2: Convert to fraction form
    88,303.50/121,858.83 = 50,580.18/x
  3. Step 3: Cross multiply
    88,303.50x = 121,858.83 × 50,580.18
  4. Step 4: Simplify right side
    88,303.50x = 6,163,641,555.99
  5. Step 5: Solve for x
    x = 6,163,641,555.99/88,303.50
  6. Step 6: Final answer
    x = 69,800.65

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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.