Home / 75,612.69-104,340.59-43,346.91

Finding the Fourth Proportional to 75,612.69, 104,340.59 and 43,346.91

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Solution

The fourth proportional to 75,612.69, 104,340.59 and 43,346.91 is: 59,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,612.69 : 104,340.59 = 43,346.91 : x
  2. Step 2: Convert to fraction form
    75,612.69/104,340.59 = 43,346.91/x
  3. Step 3: Cross multiply
    75,612.69x = 104,340.59 × 43,346.91
  4. Step 4: Simplify right side
    75,612.69x = 4,522,842,501.17
  5. Step 5: Solve for x
    x = 4,522,842,501.17/75,612.69
  6. Step 6: Final answer
    x = 59,815.92

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1.5x scale

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.