Home / 103,802.15-155,582.26-47,648.19

Finding the Fourth Proportional to 103,802.15, 155,582.26 and 47,648.19

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Solution

The fourth proportional to 103,802.15, 155,582.26 and 47,648.19 is: 71,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,802.15 : 155,582.26 = 47,648.19 : x
  2. Step 2: Convert to fraction form
    103,802.15/155,582.26 = 47,648.19/x
  3. Step 3: Cross multiply
    103,802.15x = 155,582.26 × 47,648.19
  4. Step 4: Simplify right side
    103,802.15x = 7,413,212,965.99
  5. Step 5: Solve for x
    x = 7,413,212,965.99/103,802.15
  6. Step 6: Final answer
    x = 71,416.76

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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.