Home / 80,946.25-111,705.83-47,412.25

Finding the Fourth Proportional to 80,946.25, 111,705.83 and 47,412.25

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Solution

The fourth proportional to 80,946.25, 111,705.83 and 47,412.25 is: 65,428.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,946.25 : 111,705.83 = 47,412.25 : x
  2. Step 2: Convert to fraction form
    80,946.25/111,705.83 = 47,412.25/x
  3. Step 3: Cross multiply
    80,946.25x = 111,705.83 × 47,412.25
  4. Step 4: Simplify right side
    80,946.25x = 5,296,224,501.36
  5. Step 5: Solve for x
    x = 5,296,224,501.36/80,946.25
  6. Step 6: Final answer
    x = 65,428.91

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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.