Home / 103,686.70-155,490.99-33,547.18

Finding the Fourth Proportional to 103,686.70, 155,490.99 and 33,547.18

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Solution

The fourth proportional to 103,686.70, 155,490.99 and 33,547.18 is: 50,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,686.70 : 155,490.99 = 33,547.18 : x
  2. Step 2: Convert to fraction form
    103,686.70/155,490.99 = 33,547.18/x
  3. Step 3: Cross multiply
    103,686.70x = 155,490.99 × 33,547.18
  4. Step 4: Simplify right side
    103,686.70x = 5,216,284,229.91
  5. Step 5: Solve for x
    x = 5,216,284,229.91/103,686.70
  6. Step 6: Final answer
    x = 50,308.13

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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.