Home / 67,216.08-92,762.63-38,921.77

Finding the Fourth Proportional to 67,216.08, 92,762.63 and 38,921.77

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Solution

The fourth proportional to 67,216.08, 92,762.63 and 38,921.77 is: 53,714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,216.08 : 92,762.63 = 38,921.77 : x
  2. Step 2: Convert to fraction form
    67,216.08/92,762.63 = 38,921.77/x
  3. Step 3: Cross multiply
    67,216.08x = 92,762.63 × 38,921.77
  4. Step 4: Simplify right side
    67,216.08x = 3,610,485,349.70
  5. Step 5: Solve for x
    x = 3,610,485,349.70/67,216.08
  6. Step 6: Final answer
    x = 53,714.61

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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.