Home / 86,048.09-129,001.06-37,982.46

Finding the Fourth Proportional to 86,048.09, 129,001.06 and 37,982.46

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Solution

The fourth proportional to 86,048.09, 129,001.06 and 37,982.46 is: 56,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,048.09 : 129,001.06 = 37,982.46 : x
  2. Step 2: Convert to fraction form
    86,048.09/129,001.06 = 37,982.46/x
  3. Step 3: Cross multiply
    86,048.09x = 129,001.06 × 37,982.46
  4. Step 4: Simplify right side
    86,048.09x = 4,899,777,601.41
  5. Step 5: Solve for x
    x = 4,899,777,601.41/86,048.09
  6. Step 6: Final answer
    x = 56,942.32

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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.