Home / 64,071.08-88,418.16-35,776.76

Finding the Fourth Proportional to 64,071.08, 88,418.16 and 35,776.76

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Solution

The fourth proportional to 64,071.08, 88,418.16 and 35,776.76 is: 49,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,071.08 : 88,418.16 = 35,776.76 : x
  2. Step 2: Convert to fraction form
    64,071.08/88,418.16 = 35,776.76/x
  3. Step 3: Cross multiply
    64,071.08x = 88,418.16 × 35,776.76
  4. Step 4: Simplify right side
    64,071.08x = 3,163,315,289.96
  5. Step 5: Solve for x
    x = 3,163,315,289.96/64,071.08
  6. Step 6: Final answer
    x = 49,371.97

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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.