Home / 90,079.44-124,292.52-56,530.32

Finding the Fourth Proportional to 90,079.44, 124,292.52 and 56,530.32

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Solution

The fourth proportional to 90,079.44, 124,292.52 and 56,530.32 is: 78,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,079.44 : 124,292.52 = 56,530.32 : x
  2. Step 2: Convert to fraction form
    90,079.44/124,292.52 = 56,530.32/x
  3. Step 3: Cross multiply
    90,079.44x = 124,292.52 × 56,530.32
  4. Step 4: Simplify right side
    90,079.44x = 7,026,295,929.21
  5. Step 5: Solve for x
    x = 7,026,295,929.21/90,079.44
  6. Step 6: Final answer
    x = 78,001.11

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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.