Home / 92,345.82-127,428.03-56,545.98

Finding the Fourth Proportional to 92,345.82, 127,428.03 and 56,545.98

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Solution

The fourth proportional to 92,345.82, 127,428.03 and 56,545.98 is: 78,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,345.82 : 127,428.03 = 56,545.98 : x
  2. Step 2: Convert to fraction form
    92,345.82/127,428.03 = 56,545.98/x
  3. Step 3: Cross multiply
    92,345.82x = 127,428.03 × 56,545.98
  4. Step 4: Simplify right side
    92,345.82x = 7,205,542,835.82
  5. Step 5: Solve for x
    x = 7,205,542,835.82/92,345.82
  6. Step 6: Final answer
    x = 78,027.82

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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.