Home / 74,879.03-103,318.00-47,666.07

Finding the Fourth Proportional to 74,879.03, 103,318.00 and 47,666.07

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Solution

The fourth proportional to 74,879.03, 103,318.00 and 47,666.07 is: 65,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,879.03 : 103,318.00 = 47,666.07 : x
  2. Step 2: Convert to fraction form
    74,879.03/103,318.00 = 47,666.07/x
  3. Step 3: Cross multiply
    74,879.03x = 103,318.00 × 47,666.07
  4. Step 4: Simplify right side
    74,879.03x = 4,924,762,901.09
  5. Step 5: Solve for x
    x = 4,924,762,901.09/74,879.03
  6. Step 6: Final answer
    x = 65,769.59

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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.