Home / 86,677.09-119,578.77-52,680.10

Finding the Fourth Proportional to 86,677.09, 119,578.77 and 52,680.10

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Solution

The fourth proportional to 86,677.09, 119,578.77 and 52,680.10 is: 72,676.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,677.09 : 119,578.77 = 52,680.10 : x
  2. Step 2: Convert to fraction form
    86,677.09/119,578.77 = 52,680.10/x
  3. Step 3: Cross multiply
    86,677.09x = 119,578.77 × 52,680.10
  4. Step 4: Simplify right side
    86,677.09x = 6,299,421,561.48
  5. Step 5: Solve for x
    x = 6,299,421,561.48/86,677.09
  6. Step 6: Final answer
    x = 72,676.89

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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.