Home / 103,628.09-155,386.77-37,031.90

Finding the Fourth Proportional to 103,628.09, 155,386.77 and 37,031.90

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Solution

The fourth proportional to 103,628.09, 155,386.77 and 37,031.90 is: 55,528.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,628.09 : 155,386.77 = 37,031.90 : x
  2. Step 2: Convert to fraction form
    103,628.09/155,386.77 = 37,031.90/x
  3. Step 3: Cross multiply
    103,628.09x = 155,386.77 × 37,031.90
  4. Step 4: Simplify right side
    103,628.09x = 5,754,266,551.03
  5. Step 5: Solve for x
    x = 5,754,266,551.03/103,628.09
  6. Step 6: Final answer
    x = 55,528.06

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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.