Home / 64,935.90-89,612.19-38,094.30

Finding the Fourth Proportional to 64,935.90, 89,612.19 and 38,094.30

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Solution

The fourth proportional to 64,935.90, 89,612.19 and 38,094.30 is: 52,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,935.90 : 89,612.19 = 38,094.30 : x
  2. Step 2: Convert to fraction form
    64,935.90/89,612.19 = 38,094.30/x
  3. Step 3: Cross multiply
    64,935.90x = 89,612.19 × 38,094.30
  4. Step 4: Simplify right side
    64,935.90x = 3,413,713,649.52
  5. Step 5: Solve for x
    x = 3,413,713,649.52/64,935.90
  6. Step 6: Final answer
    x = 52,570.51

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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.