Home / 68,725.52-94,840.02-38,510.72

Finding the Fourth Proportional to 68,725.52, 94,840.02 and 38,510.72

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Solution

The fourth proportional to 68,725.52, 94,840.02 and 38,510.72 is: 53,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,725.52 : 94,840.02 = 38,510.72 : x
  2. Step 2: Convert to fraction form
    68,725.52/94,840.02 = 38,510.72/x
  3. Step 3: Cross multiply
    68,725.52x = 94,840.02 × 38,510.72
  4. Step 4: Simplify right side
    68,725.52x = 3,652,357,455.01
  5. Step 5: Solve for x
    x = 3,652,357,455.01/68,725.52
  6. Step 6: Final answer
    x = 53,144.12

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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.