Home / 64,905.06-89,570.15-38,066.94

Finding the Fourth Proportional to 64,905.06, 89,570.15 and 38,066.94

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Solution

The fourth proportional to 64,905.06, 89,570.15 and 38,066.94 is: 52,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,905.06 : 89,570.15 = 38,066.94 : x
  2. Step 2: Convert to fraction form
    64,905.06/89,570.15 = 38,066.94/x
  3. Step 3: Cross multiply
    64,905.06x = 89,570.15 × 38,066.94
  4. Step 4: Simplify right side
    64,905.06x = 3,409,661,525.84
  5. Step 5: Solve for x
    x = 3,409,661,525.84/64,905.06
  6. Step 6: Final answer
    x = 52,533.06

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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.