Home / 122,810.30-169,477.54-69,095.69

Finding the Fourth Proportional to 122,810.30, 169,477.54 and 69,095.69

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Solution

The fourth proportional to 122,810.30, 169,477.54 and 69,095.69 is: 95,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,810.30 : 169,477.54 = 69,095.69 : x
  2. Step 2: Convert to fraction form
    122,810.30/169,477.54 = 69,095.69/x
  3. Step 3: Cross multiply
    122,810.30x = 169,477.54 × 69,095.69
  4. Step 4: Simplify right side
    122,810.30x = 11,710,167,565.80
  5. Step 5: Solve for x
    x = 11,710,167,565.80/122,810.30
  6. Step 6: Final answer
    x = 95,351.67

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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.