Home / 72,970.14-100,583.68-53,788.46

Finding the Fourth Proportional to 72,970.14, 100,583.68 and 53,788.46

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Solution

The fourth proportional to 72,970.14, 100,583.68 and 53,788.46 is: 74,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,970.14 : 100,583.68 = 53,788.46 : x
  2. Step 2: Convert to fraction form
    72,970.14/100,583.68 = 53,788.46/x
  3. Step 3: Cross multiply
    72,970.14x = 100,583.68 × 53,788.46
  4. Step 4: Simplify right side
    72,970.14x = 5,410,241,248.33
  5. Step 5: Solve for x
    x = 5,410,241,248.33/72,970.14
  6. Step 6: Final answer
    x = 74,143.22

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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.