Home / 74,049.58-110,975.95-64,142.47

Finding the Fourth Proportional to 74,049.58, 110,975.95 and 64,142.47

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Solution

The fourth proportional to 74,049.58, 110,975.95 and 64,142.47 is: 96,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,049.58 : 110,975.95 = 64,142.47 : x
  2. Step 2: Convert to fraction form
    74,049.58/110,975.95 = 64,142.47/x
  3. Step 3: Cross multiply
    74,049.58x = 110,975.95 × 64,142.47
  4. Step 4: Simplify right side
    74,049.58x = 7,118,271,543.60
  5. Step 5: Solve for x
    x = 7,118,271,543.60/74,049.58
  6. Step 6: Final answer
    x = 96,128.45

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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.