Home / 86,996.23-130,542.77-47,014.43

Finding the Fourth Proportional to 86,996.23, 130,542.77 and 47,014.43

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Solution

The fourth proportional to 86,996.23, 130,542.77 and 47,014.43 is: 70,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,996.23 : 130,542.77 = 47,014.43 : x
  2. Step 2: Convert to fraction form
    86,996.23/130,542.77 = 47,014.43/x
  3. Step 3: Cross multiply
    86,996.23x = 130,542.77 × 47,014.43
  4. Step 4: Simplify right side
    86,996.23x = 6,137,393,386.99
  5. Step 5: Solve for x
    x = 6,137,393,386.99/86,996.23
  6. Step 6: Final answer
    x = 70,547.81

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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.