Home / 90,095.22-124,342.30-56,554.74

Finding the Fourth Proportional to 90,095.22, 124,342.30 and 56,554.74

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Solution

The fourth proportional to 90,095.22, 124,342.30 and 56,554.74 is: 78,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,095.22 : 124,342.30 = 56,554.74 : x
  2. Step 2: Convert to fraction form
    90,095.22/124,342.30 = 56,554.74/x
  3. Step 3: Cross multiply
    90,095.22x = 124,342.30 × 56,554.74
  4. Step 4: Simplify right side
    90,095.22x = 7,032,146,447.50
  5. Step 5: Solve for x
    x = 7,032,146,447.50/90,095.22
  6. Step 6: Final answer
    x = 78,052.38

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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.