Home / 102,596.06-153,948.26-72,802.83

Finding the Fourth Proportional to 102,596.06, 153,948.26 and 72,802.83

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Solution

The fourth proportional to 102,596.06, 153,948.26 and 72,802.83 is: 109,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,596.06 : 153,948.26 = 72,802.83 : x
  2. Step 2: Convert to fraction form
    102,596.06/153,948.26 = 72,802.83/x
  3. Step 3: Cross multiply
    102,596.06x = 153,948.26 × 72,802.83
  4. Step 4: Simplify right side
    102,596.06x = 11,207,868,333.27
  5. Step 5: Solve for x
    x = 11,207,868,333.27/102,596.06
  6. Step 6: Final answer
    x = 109,242.68

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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.