Home / 64,968.09-97,452.14-15,720.09

Finding the Fourth Proportional to 64,968.09, 97,452.14 and 15,720.09

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Solution

The fourth proportional to 64,968.09, 97,452.14 and 15,720.09 is: 23,580.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,968.09 : 97,452.14 = 15,720.09 : x
  2. Step 2: Convert to fraction form
    64,968.09/97,452.14 = 15,720.09/x
  3. Step 3: Cross multiply
    64,968.09x = 97,452.14 × 15,720.09
  4. Step 4: Simplify right side
    64,968.09x = 1,531,956,816.24
  5. Step 5: Solve for x
    x = 1,531,956,816.24/64,968.09
  6. Step 6: Final answer
    x = 23,580.14

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1.5x scale

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.