Home / 74,896.18-103,357.43-42,629.22

Finding the Fourth Proportional to 74,896.18, 103,357.43 and 42,629.22

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Solution

The fourth proportional to 74,896.18, 103,357.43 and 42,629.22 is: 58,828.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,896.18 : 103,357.43 = 42,629.22 : x
  2. Step 2: Convert to fraction form
    74,896.18/103,357.43 = 42,629.22/x
  3. Step 3: Cross multiply
    74,896.18x = 103,357.43 × 42,629.22
  4. Step 4: Simplify right side
    74,896.18x = 4,406,046,622.10
  5. Step 5: Solve for x
    x = 4,406,046,622.10/74,896.18
  6. Step 6: Final answer
    x = 58,828.72

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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.