Home / 75,184.17-112,740.93-43,603.20

Finding the Fourth Proportional to 75,184.17, 112,740.93 and 43,603.20

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Solution

The fourth proportional to 75,184.17, 112,740.93 and 43,603.20 is: 65,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,184.17 : 112,740.93 = 43,603.20 : x
  2. Step 2: Convert to fraction form
    75,184.17/112,740.93 = 43,603.20/x
  3. Step 3: Cross multiply
    75,184.17x = 112,740.93 × 43,603.20
  4. Step 4: Simplify right side
    75,184.17x = 4,915,865,318.98
  5. Step 5: Solve for x
    x = 4,915,865,318.98/75,184.17
  6. Step 6: Final answer
    x = 65,384.31

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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.