Home / 74,848.04-112,271.74-30,464.28

Finding the Fourth Proportional to 74,848.04, 112,271.74 and 30,464.28

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Solution

The fourth proportional to 74,848.04, 112,271.74 and 30,464.28 is: 45,696.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,848.04 : 112,271.74 = 30,464.28 : x
  2. Step 2: Convert to fraction form
    74,848.04/112,271.74 = 30,464.28/x
  3. Step 3: Cross multiply
    74,848.04x = 112,271.74 × 30,464.28
  4. Step 4: Simplify right side
    74,848.04x = 3,420,277,723.45
  5. Step 5: Solve for x
    x = 3,420,277,723.45/74,848.04
  6. Step 6: Final answer
    x = 45,696.29

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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.