Home / 64,612.19-89,151.75-37,749.51

Finding the Fourth Proportional to 64,612.19, 89,151.75 and 37,749.51

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Solution

The fourth proportional to 64,612.19, 89,151.75 and 37,749.51 is: 52,086.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,612.19 : 89,151.75 = 37,749.51 : x
  2. Step 2: Convert to fraction form
    64,612.19/89,151.75 = 37,749.51/x
  3. Step 3: Cross multiply
    64,612.19x = 89,151.75 × 37,749.51
  4. Step 4: Simplify right side
    64,612.19x = 3,365,434,878.14
  5. Step 5: Solve for x
    x = 3,365,434,878.14/64,612.19
  6. Step 6: Final answer
    x = 52,086.69

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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.