Home / 64,072.08-88,419.54-35,777.76

Finding the Fourth Proportional to 64,072.08, 88,419.54 and 35,777.76

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Solution

The fourth proportional to 64,072.08, 88,419.54 and 35,777.76 is: 49,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,072.08 : 88,419.54 = 35,777.76 : x
  2. Step 2: Convert to fraction form
    64,072.08/88,419.54 = 35,777.76/x
  3. Step 3: Cross multiply
    64,072.08x = 88,419.54 × 35,777.76
  4. Step 4: Simplify right side
    64,072.08x = 3,163,453,081.43
  5. Step 5: Solve for x
    x = 3,163,453,081.43/64,072.08
  6. Step 6: Final answer
    x = 49,373.35

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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.