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Finding the Fourth Proportional to 84,488.88, 116,594.77 and 52,657.78

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Solution

The fourth proportional to 84,488.88, 116,594.77 and 52,657.78 is: 72,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,488.88 : 116,594.77 = 52,657.78 : x
  2. Step 2: Convert to fraction form
    84,488.88/116,594.77 = 52,657.78/x
  3. Step 3: Cross multiply
    84,488.88x = 116,594.77 × 52,657.78
  4. Step 4: Simplify right side
    84,488.88x = 6,139,621,747.81
  5. Step 5: Solve for x
    x = 6,139,621,747.81/84,488.88
  6. Step 6: Final answer
    x = 72,667.81

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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.