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Finding the Fourth Proportional to 84,397.50, 116,463.83 and 46,149.45

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Solution

The fourth proportional to 84,397.50, 116,463.83 and 46,149.45 is: 63,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,397.50 : 116,463.83 = 46,149.45 : x
  2. Step 2: Convert to fraction form
    84,397.50/116,463.83 = 46,149.45/x
  3. Step 3: Cross multiply
    84,397.50x = 116,463.83 × 46,149.45
  4. Step 4: Simplify right side
    84,397.50x = 5,374,741,699.39
  5. Step 5: Solve for x
    x = 5,374,741,699.39/84,397.50
  6. Step 6: Final answer
    x = 63,683.66

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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.