Home / 100,526.20-150,570.60-61,014.40

Finding the Fourth Proportional to 100,526.20, 150,570.60 and 61,014.40

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Solution

The fourth proportional to 100,526.20, 150,570.60 and 61,014.40 is: 91,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,526.20 : 150,570.60 = 61,014.40 : x
  2. Step 2: Convert to fraction form
    100,526.20/150,570.60 = 61,014.40/x
  3. Step 3: Cross multiply
    100,526.20x = 150,570.60 × 61,014.40
  4. Step 4: Simplify right side
    100,526.20x = 9,186,974,816.64
  5. Step 5: Solve for x
    x = 9,186,974,816.64/100,526.20
  6. Step 6: Final answer
    x = 91,388.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.