Home / 106,880.47-160,320.55-42,867.49

Finding the Fourth Proportional to 106,880.47, 160,320.55 and 42,867.49

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Solution

The fourth proportional to 106,880.47, 160,320.55 and 42,867.49 is: 64,301.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,880.47 : 160,320.55 = 42,867.49 : x
  2. Step 2: Convert to fraction form
    106,880.47/160,320.55 = 42,867.49/x
  3. Step 3: Cross multiply
    106,880.47x = 160,320.55 × 42,867.49
  4. Step 4: Simplify right side
    106,880.47x = 6,872,539,573.92
  5. Step 5: Solve for x
    x = 6,872,539,573.92/106,880.47
  6. Step 6: Final answer
    x = 64,301.17

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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.