Home / 92,235.18-138,040.03-56,718.81

Finding the Fourth Proportional to 92,235.18, 138,040.03 and 56,718.81

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Solution

The fourth proportional to 92,235.18, 138,040.03 and 56,718.81 is: 84,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,235.18 : 138,040.03 = 56,718.81 : x
  2. Step 2: Convert to fraction form
    92,235.18/138,040.03 = 56,718.81/x
  3. Step 3: Cross multiply
    92,235.18x = 138,040.03 × 56,718.81
  4. Step 4: Simplify right side
    92,235.18x = 7,829,466,233.96
  5. Step 5: Solve for x
    x = 7,829,466,233.96/92,235.18
  6. Step 6: Final answer
    x = 84,885.90

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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.