Home / 104,316.30-143,957.07-56,569.32

Finding the Fourth Proportional to 104,316.30, 143,957.07 and 56,569.32

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Solution

The fourth proportional to 104,316.30, 143,957.07 and 56,569.32 is: 78,065.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,316.30 : 143,957.07 = 56,569.32 : x
  2. Step 2: Convert to fraction form
    104,316.30/143,957.07 = 56,569.32/x
  3. Step 3: Cross multiply
    104,316.30x = 143,957.07 × 56,569.32
  4. Step 4: Simplify right side
    104,316.30x = 8,143,553,559.09
  5. Step 5: Solve for x
    x = 8,143,553,559.09/104,316.30
  6. Step 6: Final answer
    x = 78,065.97

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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.