Home / 86,894.31-119,922.72-52,904.67

Finding the Fourth Proportional to 86,894.31, 119,922.72 and 52,904.67

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Solution

The fourth proportional to 86,894.31, 119,922.72 and 52,904.67 is: 73,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,894.31 : 119,922.72 = 52,904.67 : x
  2. Step 2: Convert to fraction form
    86,894.31/119,922.72 = 52,904.67/x
  3. Step 3: Cross multiply
    86,894.31x = 119,922.72 × 52,904.67
  4. Step 4: Simplify right side
    86,894.31x = 6,344,471,927.10
  5. Step 5: Solve for x
    x = 6,344,471,927.10/86,894.31
  6. Step 6: Final answer
    x = 73,013.66

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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.