Home / 97,343.16-134,211.85-81,233.67

Finding the Fourth Proportional to 97,343.16, 134,211.85 and 81,233.67

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Solution

The fourth proportional to 97,343.16, 134,211.85 and 81,233.67 is: 112,000.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,343.16 : 134,211.85 = 81,233.67 : x
  2. Step 2: Convert to fraction form
    97,343.16/134,211.85 = 81,233.67/x
  3. Step 3: Cross multiply
    97,343.16x = 134,211.85 × 81,233.67
  4. Step 4: Simplify right side
    97,343.16x = 10,902,521,890.14
  5. Step 5: Solve for x
    x = 10,902,521,890.14/97,343.16
  6. Step 6: Final answer
    x = 112,000.91

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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.