Home / 74,923.38-103,383.81-72,907.38

Finding the Fourth Proportional to 74,923.38, 103,383.81 and 72,907.38

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Solution

The fourth proportional to 74,923.38, 103,383.81 and 72,907.38 is: 100,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,923.38 : 103,383.81 = 72,907.38 : x
  2. Step 2: Convert to fraction form
    74,923.38/103,383.81 = 72,907.38/x
  3. Step 3: Cross multiply
    74,923.38x = 103,383.81 × 72,907.38
  4. Step 4: Simplify right side
    74,923.38x = 7,537,442,721.52
  5. Step 5: Solve for x
    x = 7,537,442,721.52/74,923.38
  6. Step 6: Final answer
    x = 100,602.01

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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.