Home / 64,881.97-89,529.10-38,018.32

Finding the Fourth Proportional to 64,881.97, 89,529.10 and 38,018.32

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Solution

The fourth proportional to 64,881.97, 89,529.10 and 38,018.32 is: 52,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,881.97 : 89,529.10 = 38,018.32 : x
  2. Step 2: Convert to fraction form
    64,881.97/89,529.10 = 38,018.32/x
  3. Step 3: Cross multiply
    64,881.97x = 89,529.10 × 38,018.32
  4. Step 4: Simplify right side
    64,881.97x = 3,403,745,973.11
  5. Step 5: Solve for x
    x = 3,403,745,973.11/64,881.97
  6. Step 6: Final answer
    x = 52,460.58

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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.