Home / 74,800.77-103,234.19-42,969.59

Finding the Fourth Proportional to 74,800.77, 103,234.19 and 42,969.59

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Solution

The fourth proportional to 74,800.77, 103,234.19 and 42,969.59 is: 59,303.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,800.77 : 103,234.19 = 42,969.59 : x
  2. Step 2: Convert to fraction form
    74,800.77/103,234.19 = 42,969.59/x
  3. Step 3: Cross multiply
    74,800.77x = 103,234.19 × 42,969.59
  4. Step 4: Simplify right side
    74,800.77x = 4,435,930,818.28
  5. Step 5: Solve for x
    x = 4,435,930,818.28/74,800.77
  6. Step 6: Final answer
    x = 59,303.28

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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.