Home / 117,565.48-176,347.26-47,443.72

Finding the Fourth Proportional to 117,565.48, 176,347.26 and 47,443.72

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Solution

The fourth proportional to 117,565.48, 176,347.26 and 47,443.72 is: 71,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,565.48 : 176,347.26 = 47,443.72 : x
  2. Step 2: Convert to fraction form
    117,565.48/176,347.26 = 47,443.72/x
  3. Step 3: Cross multiply
    117,565.48x = 176,347.26 × 47,443.72
  4. Step 4: Simplify right side
    117,565.48x = 8,366,570,026.21
  5. Step 5: Solve for x
    x = 8,366,570,026.21/117,565.48
  6. Step 6: Final answer
    x = 71,165.19

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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.