Home / 75,088.16-103,621.84-41,554.40

Finding the Fourth Proportional to 75,088.16, 103,621.84 and 41,554.40

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Solution

The fourth proportional to 75,088.16, 103,621.84 and 41,554.40 is: 57,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,088.16 : 103,621.84 = 41,554.40 : x
  2. Step 2: Convert to fraction form
    75,088.16/103,621.84 = 41,554.40/x
  3. Step 3: Cross multiply
    75,088.16x = 103,621.84 × 41,554.40
  4. Step 4: Simplify right side
    75,088.16x = 4,305,943,388.10
  5. Step 5: Solve for x
    x = 4,305,943,388.10/75,088.16
  6. Step 6: Final answer
    x = 57,345.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.