Home / 74,800.64-103,224.39-42,535.26

Finding the Fourth Proportional to 74,800.64, 103,224.39 and 42,535.26

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Solution

The fourth proportional to 74,800.64, 103,224.39 and 42,535.26 is: 58,698.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,800.64 : 103,224.39 = 42,535.26 : x
  2. Step 2: Convert to fraction form
    74,800.64/103,224.39 = 42,535.26/x
  3. Step 3: Cross multiply
    74,800.64x = 103,224.39 × 42,535.26
  4. Step 4: Simplify right side
    74,800.64x = 4,390,676,266.99
  5. Step 5: Solve for x
    x = 4,390,676,266.99/74,800.64
  6. Step 6: Final answer
    x = 58,698.38

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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.