Home / 74,261.08-102,485.72-42,429.29

Finding the Fourth Proportional to 74,261.08, 102,485.72 and 42,429.29

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Solution

The fourth proportional to 74,261.08, 102,485.72 and 42,429.29 is: 58,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,261.08 : 102,485.72 = 42,429.29 : x
  2. Step 2: Convert to fraction form
    74,261.08/102,485.72 = 42,429.29/x
  3. Step 3: Cross multiply
    74,261.08x = 102,485.72 × 42,429.29
  4. Step 4: Simplify right side
    74,261.08x = 4,348,396,334.74
  5. Step 5: Solve for x
    x = 4,348,396,334.74/74,261.08
  6. Step 6: Final answer
    x = 58,555.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.