Home / 62,090.28-93,139.08-19,389.90

Finding the Fourth Proportional to 62,090.28, 93,139.08 and 19,389.90

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Solution

The fourth proportional to 62,090.28, 93,139.08 and 19,389.90 is: 29,085.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,090.28 : 93,139.08 = 19,389.90 : x
  2. Step 2: Convert to fraction form
    62,090.28/93,139.08 = 19,389.90/x
  3. Step 3: Cross multiply
    62,090.28x = 93,139.08 × 19,389.90
  4. Step 4: Simplify right side
    62,090.28x = 1,805,957,447.29
  5. Step 5: Solve for x
    x = 1,805,957,447.29/62,090.28
  6. Step 6: Final answer
    x = 29,085.99

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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.