Home / 64,485.36-89,029.80-44,334.72

Finding the Fourth Proportional to 64,485.36, 89,029.80 and 44,334.72

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Solution

The fourth proportional to 64,485.36, 89,029.80 and 44,334.72 is: 61,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,485.36 : 89,029.80 = 44,334.72 : x
  2. Step 2: Convert to fraction form
    64,485.36/89,029.80 = 44,334.72/x
  3. Step 3: Cross multiply
    64,485.36x = 89,029.80 × 44,334.72
  4. Step 4: Simplify right side
    64,485.36x = 3,947,111,254.66
  5. Step 5: Solve for x
    x = 3,947,111,254.66/64,485.36
  6. Step 6: Final answer
    x = 61,209.42

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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.