Home / 64,634.52-89,165.70-37,778.16

Finding the Fourth Proportional to 64,634.52, 89,165.70 and 37,778.16

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Solution

The fourth proportional to 64,634.52, 89,165.70 and 37,778.16 is: 52,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,634.52 : 89,165.70 = 37,778.16 : x
  2. Step 2: Convert to fraction form
    64,634.52/89,165.70 = 37,778.16/x
  3. Step 3: Cross multiply
    64,634.52x = 89,165.70 × 37,778.16
  4. Step 4: Simplify right side
    64,634.52x = 3,368,516,081.11
  5. Step 5: Solve for x
    x = 3,368,516,081.11/64,634.52
  6. Step 6: Final answer
    x = 52,116.36

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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.