Home / 64,665.51-89,240.13-39,166.47

Finding the Fourth Proportional to 64,665.51, 89,240.13 and 39,166.47

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Solution

The fourth proportional to 64,665.51, 89,240.13 and 39,166.47 is: 54,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,665.51 : 89,240.13 = 39,166.47 : x
  2. Step 2: Convert to fraction form
    64,665.51/89,240.13 = 39,166.47/x
  3. Step 3: Cross multiply
    64,665.51x = 89,240.13 × 39,166.47
  4. Step 4: Simplify right side
    64,665.51x = 3,495,220,874.44
  5. Step 5: Solve for x
    x = 3,495,220,874.44/64,665.51
  6. Step 6: Final answer
    x = 54,050.78

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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.