Home / 64,721.07-97,063.80-40,993.02

Finding the Fourth Proportional to 64,721.07, 97,063.80 and 40,993.02

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Solution

The fourth proportional to 64,721.07, 97,063.80 and 40,993.02 is: 61,478.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,721.07 : 97,063.80 = 40,993.02 : x
  2. Step 2: Convert to fraction form
    64,721.07/97,063.80 = 40,993.02/x
  3. Step 3: Cross multiply
    64,721.07x = 97,063.80 × 40,993.02
  4. Step 4: Simplify right side
    64,721.07x = 3,978,938,294.68
  5. Step 5: Solve for x
    x = 3,978,938,294.68/64,721.07
  6. Step 6: Final answer
    x = 61,478.25

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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.