Home / 70,281.36-96,930.54-50,131.80

Finding the Fourth Proportional to 70,281.36, 96,930.54 and 50,131.80

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Solution

The fourth proportional to 70,281.36, 96,930.54 and 50,131.80 is: 69,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,281.36 : 96,930.54 = 50,131.80 : x
  2. Step 2: Convert to fraction form
    70,281.36/96,930.54 = 50,131.80/x
  3. Step 3: Cross multiply
    70,281.36x = 96,930.54 × 50,131.80
  4. Step 4: Simplify right side
    70,281.36x = 4,859,302,445.17
  5. Step 5: Solve for x
    x = 4,859,302,445.17/70,281.36
  6. Step 6: Final answer
    x = 69,140.70

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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.