Home / 92,398.07-127,511.67-56,607.81

Finding the Fourth Proportional to 92,398.07, 127,511.67 and 56,607.81

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Solution

The fourth proportional to 92,398.07, 127,511.67 and 56,607.81 is: 78,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,398.07 : 127,511.67 = 56,607.81 : x
  2. Step 2: Convert to fraction form
    92,398.07/127,511.67 = 56,607.81/x
  3. Step 3: Cross multiply
    92,398.07x = 127,511.67 × 56,607.81
  4. Step 4: Simplify right side
    92,398.07x = 7,218,156,388.14
  5. Step 5: Solve for x
    x = 7,218,156,388.14/92,398.07
  6. Step 6: Final answer
    x = 78,120.21

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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.