Home / 66,127.02-91,233.09-37,442.76

Finding the Fourth Proportional to 66,127.02, 91,233.09 and 37,442.76

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Solution

The fourth proportional to 66,127.02, 91,233.09 and 37,442.76 is: 51,658.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,127.02 : 91,233.09 = 37,442.76 : x
  2. Step 2: Convert to fraction form
    66,127.02/91,233.09 = 37,442.76/x
  3. Step 3: Cross multiply
    66,127.02x = 91,233.09 × 37,442.76
  4. Step 4: Simplify right side
    66,127.02x = 3,416,018,692.93
  5. Step 5: Solve for x
    x = 3,416,018,692.93/66,127.02
  6. Step 6: Final answer
    x = 51,658.44

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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.