Home / 64,812.09-89,440.63-35,004.09

Finding the Fourth Proportional to 64,812.09, 89,440.63 and 35,004.09

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Solution

The fourth proportional to 64,812.09, 89,440.63 and 35,004.09 is: 48,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,812.09 : 89,440.63 = 35,004.09 : x
  2. Step 2: Convert to fraction form
    64,812.09/89,440.63 = 35,004.09/x
  3. Step 3: Cross multiply
    64,812.09x = 89,440.63 × 35,004.09
  4. Step 4: Simplify right side
    64,812.09x = 3,130,787,862.18
  5. Step 5: Solve for x
    x = 3,130,787,862.18/64,812.09
  6. Step 6: Final answer
    x = 48,305.61

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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.