Home / 67,138.02-92,648.88-36,510.30

Finding the Fourth Proportional to 67,138.02, 92,648.88 and 36,510.30

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Solution

The fourth proportional to 67,138.02, 92,648.88 and 36,510.30 is: 50,383.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,138.02 : 92,648.88 = 36,510.30 : x
  2. Step 2: Convert to fraction form
    67,138.02/92,648.88 = 36,510.30/x
  3. Step 3: Cross multiply
    67,138.02x = 92,648.88 × 36,510.30
  4. Step 4: Simplify right side
    67,138.02x = 3,382,638,403.46
  5. Step 5: Solve for x
    x = 3,382,638,403.46/67,138.02
  6. Step 6: Final answer
    x = 50,383.35

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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.