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Finding the Fourth Proportional to 73,646.90, 101,633.39 and 41,816.47

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Solution

The fourth proportional to 73,646.90, 101,633.39 and 41,816.47 is: 57,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,646.90 : 101,633.39 = 41,816.47 : x
  2. Step 2: Convert to fraction form
    73,646.90/101,633.39 = 41,816.47/x
  3. Step 3: Cross multiply
    73,646.90x = 101,633.39 × 41,816.47
  4. Step 4: Simplify right side
    73,646.90x = 4,249,949,603.93
  5. Step 5: Solve for x
    x = 4,249,949,603.93/73,646.90
  6. Step 6: Final answer
    x = 57,707.11

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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.