Home / 64,807.07-89,433.75-34,999.07

Finding the Fourth Proportional to 64,807.07, 89,433.75 and 34,999.07

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Solution

The fourth proportional to 64,807.07, 89,433.75 and 34,999.07 is: 48,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,807.07 : 89,433.75 = 34,999.07 : x
  2. Step 2: Convert to fraction form
    64,807.07/89,433.75 = 34,999.07/x
  3. Step 3: Cross multiply
    64,807.07x = 89,433.75 × 34,999.07
  4. Step 4: Simplify right side
    64,807.07x = 3,130,097,629.44
  5. Step 5: Solve for x
    x = 3,130,097,629.44/64,807.07
  6. Step 6: Final answer
    x = 48,298.71

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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.