Home / 67,745.04-101,600.55-30,284.16

Finding the Fourth Proportional to 67,745.04, 101,600.55 and 30,284.16

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Solution

The fourth proportional to 67,745.04, 101,600.55 and 30,284.16 is: 45,418.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,745.04 : 101,600.55 = 30,284.16 : x
  2. Step 2: Convert to fraction form
    67,745.04/101,600.55 = 30,284.16/x
  3. Step 3: Cross multiply
    67,745.04x = 101,600.55 × 30,284.16
  4. Step 4: Simplify right side
    67,745.04x = 3,076,887,312.29
  5. Step 5: Solve for x
    x = 3,076,887,312.29/67,745.04
  6. Step 6: Final answer
    x = 45,418.64

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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.