Home / 64,718.07-97,059.30-40,990.02

Finding the Fourth Proportional to 64,718.07, 97,059.30 and 40,990.02

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Solution

The fourth proportional to 64,718.07, 97,059.30 and 40,990.02 is: 61,473.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,718.07 : 97,059.30 = 40,990.02 : x
  2. Step 2: Convert to fraction form
    64,718.07/97,059.30 = 40,990.02/x
  3. Step 3: Cross multiply
    64,718.07x = 97,059.30 × 40,990.02
  4. Step 4: Simplify right side
    64,718.07x = 3,978,462,648.19
  5. Step 5: Solve for x
    x = 3,978,462,648.19/64,718.07
  6. Step 6: Final answer
    x = 61,473.75

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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.