Home / 84,722.40-116,930.93-47,008.80

Finding the Fourth Proportional to 84,722.40, 116,930.93 and 47,008.80

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Solution

The fourth proportional to 84,722.40, 116,930.93 and 47,008.80 is: 64,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,722.40 : 116,930.93 = 47,008.80 : x
  2. Step 2: Convert to fraction form
    84,722.40/116,930.93 = 47,008.80/x
  3. Step 3: Cross multiply
    84,722.40x = 116,930.93 × 47,008.80
  4. Step 4: Simplify right side
    84,722.40x = 5,496,782,702.18
  5. Step 5: Solve for x
    x = 5,496,782,702.18/84,722.40
  6. Step 6: Final answer
    x = 64,879.92

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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.