Home / 74,129.64-102,297.44-42,293.40

Finding the Fourth Proportional to 74,129.64, 102,297.44 and 42,293.40

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Solution

The fourth proportional to 74,129.64, 102,297.44 and 42,293.40 is: 58,364.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,129.64 : 102,297.44 = 42,293.40 : x
  2. Step 2: Convert to fraction form
    74,129.64/102,297.44 = 42,293.40/x
  3. Step 3: Cross multiply
    74,129.64x = 102,297.44 × 42,293.40
  4. Step 4: Simplify right side
    74,129.64x = 4,326,506,548.90
  5. Step 5: Solve for x
    x = 4,326,506,548.90/74,129.64
  6. Step 6: Final answer
    x = 58,364.06

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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.