Home / 75,061.36-103,465.57-59,120.56

Finding the Fourth Proportional to 75,061.36, 103,465.57 and 59,120.56

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Solution

The fourth proportional to 75,061.36, 103,465.57 and 59,120.56 is: 81,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,061.36 : 103,465.57 = 59,120.56 : x
  2. Step 2: Convert to fraction form
    75,061.36/103,465.57 = 59,120.56/x
  3. Step 3: Cross multiply
    75,061.36x = 103,465.57 × 59,120.56
  4. Step 4: Simplify right side
    75,061.36x = 6,116,941,626.19
  5. Step 5: Solve for x
    x = 6,116,941,626.19/75,061.36
  6. Step 6: Final answer
    x = 81,492.56

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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.