Home / 103,802.40-143,217.68-58,464.52

Finding the Fourth Proportional to 103,802.40, 143,217.68 and 58,464.52

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Solution

The fourth proportional to 103,802.40, 143,217.68 and 58,464.52 is: 80,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,802.40 : 143,217.68 = 58,464.52 : x
  2. Step 2: Convert to fraction form
    103,802.40/143,217.68 = 58,464.52/x
  3. Step 3: Cross multiply
    103,802.40x = 143,217.68 × 58,464.52
  4. Step 4: Simplify right side
    103,802.40x = 8,373,152,916.71
  5. Step 5: Solve for x
    x = 8,373,152,916.71/103,802.40
  6. Step 6: Final answer
    x = 80,664.35

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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.