Home / 103,041.09-154,360.38-71,014.47

Finding the Fourth Proportional to 103,041.09, 154,360.38 and 71,014.47

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Solution

The fourth proportional to 103,041.09, 154,360.38 and 71,014.47 is: 106,383.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,041.09 : 154,360.38 = 71,014.47 : x
  2. Step 2: Convert to fraction form
    103,041.09/154,360.38 = 71,014.47/x
  3. Step 3: Cross multiply
    103,041.09x = 154,360.38 × 71,014.47
  4. Step 4: Simplify right side
    103,041.09x = 10,961,820,574.70
  5. Step 5: Solve for x
    x = 10,961,820,574.70/103,041.09
  6. Step 6: Final answer
    x = 106,383.00

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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.