Home / 74,046.13-110,968.54-31,316.03

Finding the Fourth Proportional to 74,046.13, 110,968.54 and 31,316.03

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Solution

The fourth proportional to 74,046.13, 110,968.54 and 31,316.03 is: 46,931.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,046.13 : 110,968.54 = 31,316.03 : x
  2. Step 2: Convert to fraction form
    74,046.13/110,968.54 = 31,316.03/x
  3. Step 3: Cross multiply
    74,046.13x = 110,968.54 × 31,316.03
  4. Step 4: Simplify right side
    74,046.13x = 3,475,094,534.89
  5. Step 5: Solve for x
    x = 3,475,094,534.89/74,046.13
  6. Step 6: Final answer
    x = 46,931.48

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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.