Home / 64,899.09-89,561.16-38,042.19

Finding the Fourth Proportional to 64,899.09, 89,561.16 and 38,042.19

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Solution

The fourth proportional to 64,899.09, 89,561.16 and 38,042.19 is: 52,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,899.09 : 89,561.16 = 38,042.19 : x
  2. Step 2: Convert to fraction form
    64,899.09/89,561.16 = 38,042.19/x
  3. Step 3: Cross multiply
    64,899.09x = 89,561.16 × 38,042.19
  4. Step 4: Simplify right side
    64,899.09x = 3,407,102,665.34
  5. Step 5: Solve for x
    x = 3,407,102,665.34/64,899.09
  6. Step 6: Final answer
    x = 52,498.47

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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.