Home / 67,114.08-92,610.48-38,828.64

Finding the Fourth Proportional to 67,114.08, 92,610.48 and 38,828.64

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Solution

The fourth proportional to 67,114.08, 92,610.48 and 38,828.64 is: 53,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,114.08 : 92,610.48 = 38,828.64 : x
  2. Step 2: Convert to fraction form
    67,114.08/92,610.48 = 38,828.64/x
  3. Step 3: Cross multiply
    67,114.08x = 92,610.48 × 38,828.64
  4. Step 4: Simplify right side
    67,114.08x = 3,595,938,988.15
  5. Step 5: Solve for x
    x = 3,595,938,988.15/67,114.08
  6. Step 6: Final answer
    x = 53,579.50

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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.