Home / 76,075.36-114,123.42-31,691.73

Finding the Fourth Proportional to 76,075.36, 114,123.42 and 31,691.73

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Solution

The fourth proportional to 76,075.36, 114,123.42 and 31,691.73 is: 47,541.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,075.36 : 114,123.42 = 31,691.73 : x
  2. Step 2: Convert to fraction form
    76,075.36/114,123.42 = 31,691.73/x
  3. Step 3: Cross multiply
    76,075.36x = 114,123.42 × 31,691.73
  4. Step 4: Simplify right side
    76,075.36x = 3,616,768,613.32
  5. Step 5: Solve for x
    x = 3,616,768,613.32/76,075.36
  6. Step 6: Final answer
    x = 47,541.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.