Home / 117,623.88-176,435.80-42,730.08

Finding the Fourth Proportional to 117,623.88, 176,435.80 and 42,730.08

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Solution

The fourth proportional to 117,623.88, 176,435.80 and 42,730.08 is: 64,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,623.88 : 176,435.80 = 42,730.08 : x
  2. Step 2: Convert to fraction form
    117,623.88/176,435.80 = 42,730.08/x
  3. Step 3: Cross multiply
    117,623.88x = 176,435.80 × 42,730.08
  4. Step 4: Simplify right side
    117,623.88x = 7,539,115,848.86
  5. Step 5: Solve for x
    x = 7,539,115,848.86/117,623.88
  6. Step 6: Final answer
    x = 64,095.11

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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.