Home / 101,470.07-152,206.12-45,313.02

Finding the Fourth Proportional to 101,470.07, 152,206.12 and 45,313.02

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Solution

The fourth proportional to 101,470.07, 152,206.12 and 45,313.02 is: 67,969.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,470.07 : 152,206.12 = 45,313.02 : x
  2. Step 2: Convert to fraction form
    101,470.07/152,206.12 = 45,313.02/x
  3. Step 3: Cross multiply
    101,470.07x = 152,206.12 × 45,313.02
  4. Step 4: Simplify right side
    101,470.07x = 6,896,919,016.32
  5. Step 5: Solve for x
    x = 6,896,919,016.32/101,470.07
  6. Step 6: Final answer
    x = 67,969.99

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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.