Home / 104,313.38-143,953.36-56,566.71

Finding the Fourth Proportional to 104,313.38, 143,953.36 and 56,566.71

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Solution

The fourth proportional to 104,313.38, 143,953.36 and 56,566.71 is: 78,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,313.38 : 143,953.36 = 56,566.71 : x
  2. Step 2: Convert to fraction form
    104,313.38/143,953.36 = 56,566.71/x
  3. Step 3: Cross multiply
    104,313.38x = 143,953.36 × 56,566.71
  4. Step 4: Simplify right side
    104,313.38x = 8,142,967,827.23
  5. Step 5: Solve for x
    x = 8,142,967,827.23/104,313.38
  6. Step 6: Final answer
    x = 78,062.55

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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.