Home / 74,802.87-103,237.04-54,649.67

Finding the Fourth Proportional to 74,802.87, 103,237.04 and 54,649.67

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Solution

The fourth proportional to 74,802.87, 103,237.04 and 54,649.67 is: 75,423.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,802.87 : 103,237.04 = 54,649.67 : x
  2. Step 2: Convert to fraction form
    74,802.87/103,237.04 = 54,649.67/x
  3. Step 3: Cross multiply
    74,802.87x = 103,237.04 × 54,649.67
  4. Step 4: Simplify right side
    74,802.87x = 5,641,869,378.34
  5. Step 5: Solve for x
    x = 5,641,869,378.34/74,802.87
  6. Step 6: Final answer
    x = 75,423.17

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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.