Home / 104,332.25-143,979.32-56,585.59

Finding the Fourth Proportional to 104,332.25, 143,979.32 and 56,585.59

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Solution

The fourth proportional to 104,332.25, 143,979.32 and 56,585.59 is: 78,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,332.25 : 143,979.32 = 56,585.59 : x
  2. Step 2: Convert to fraction form
    104,332.25/143,979.32 = 56,585.59/x
  3. Step 3: Cross multiply
    104,332.25x = 143,979.32 × 56,585.59
  4. Step 4: Simplify right side
    104,332.25x = 8,147,154,551.51
  5. Step 5: Solve for x
    x = 8,147,154,551.51/104,332.25
  6. Step 6: Final answer
    x = 78,088.55

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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.