Home / 59,986.67-89,970.77-20,006.36

Finding the Fourth Proportional to 59,986.67, 89,970.77 and 20,006.36

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Solution

The fourth proportional to 59,986.67, 89,970.77 and 20,006.36 is: 30,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,986.67 : 89,970.77 = 20,006.36 : x
  2. Step 2: Convert to fraction form
    59,986.67/89,970.77 = 20,006.36/x
  3. Step 3: Cross multiply
    59,986.67x = 89,970.77 × 20,006.36
  4. Step 4: Simplify right side
    59,986.67x = 1,799,987,064.21
  5. Step 5: Solve for x
    x = 1,799,987,064.21/59,986.67
  6. Step 6: Final answer
    x = 30,006.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.