Home / 92,717.12-139,770.60-86,537.67

Finding the Fourth Proportional to 92,717.12, 139,770.60 and 86,537.67

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Solution

The fourth proportional to 92,717.12, 139,770.60 and 86,537.67 is: 130,455.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,717.12 : 139,770.60 = 86,537.67 : x
  2. Step 2: Convert to fraction form
    92,717.12/139,770.60 = 86,537.67/x
  3. Step 3: Cross multiply
    92,717.12x = 139,770.60 × 86,537.67
  4. Step 4: Simplify right side
    92,717.12x = 12,095,422,058.50
  5. Step 5: Solve for x
    x = 12,095,422,058.50/92,717.12
  6. Step 6: Final answer
    x = 130,455.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.