Home / 90,813.06-125,328.01-50,526.90

Finding the Fourth Proportional to 90,813.06, 125,328.01 and 50,526.90

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Solution

The fourth proportional to 90,813.06, 125,328.01 and 50,526.90 is: 69,730.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,813.06 : 125,328.01 = 50,526.90 : x
  2. Step 2: Convert to fraction form
    90,813.06/125,328.01 = 50,526.90/x
  3. Step 3: Cross multiply
    90,813.06x = 125,328.01 × 50,526.90
  4. Step 4: Simplify right side
    90,813.06x = 6,332,436,266.87
  5. Step 5: Solve for x
    x = 6,332,436,266.87/90,813.06
  6. Step 6: Final answer
    x = 69,730.46

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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.