Home / 90,041.98-134,955.09-41,945.77

Finding the Fourth Proportional to 90,041.98, 134,955.09 and 41,945.77

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Solution

The fourth proportional to 90,041.98, 134,955.09 and 41,945.77 is: 62,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,041.98 : 134,955.09 = 41,945.77 : x
  2. Step 2: Convert to fraction form
    90,041.98/134,955.09 = 41,945.77/x
  3. Step 3: Cross multiply
    90,041.98x = 134,955.09 × 41,945.77
  4. Step 4: Simplify right side
    90,041.98x = 5,660,795,165.47
  5. Step 5: Solve for x
    x = 5,660,795,165.47/90,041.98
  6. Step 6: Final answer
    x = 62,868.40

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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.