Home / 64,764.74-89,343.77-41,788.32

Finding the Fourth Proportional to 64,764.74, 89,343.77 and 41,788.32

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Solution

The fourth proportional to 64,764.74, 89,343.77 and 41,788.32 is: 57,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,764.74 : 89,343.77 = 41,788.32 : x
  2. Step 2: Convert to fraction form
    64,764.74/89,343.77 = 41,788.32/x
  3. Step 3: Cross multiply
    64,764.74x = 89,343.77 × 41,788.32
  4. Step 4: Simplify right side
    64,764.74x = 3,733,525,841.82
  5. Step 5: Solve for x
    x = 3,733,525,841.82/64,764.74
  6. Step 6: Final answer
    x = 57,647.51

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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.