Home / 74,984.94-103,487.93-42,731.25

Finding the Fourth Proportional to 74,984.94, 103,487.93 and 42,731.25

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Solution

The fourth proportional to 74,984.94, 103,487.93 and 42,731.25 is: 58,974.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,984.94 : 103,487.93 = 42,731.25 : x
  2. Step 2: Convert to fraction form
    74,984.94/103,487.93 = 42,731.25/x
  3. Step 3: Cross multiply
    74,984.94x = 103,487.93 × 42,731.25
  4. Step 4: Simplify right side
    74,984.94x = 4,422,168,167.32
  5. Step 5: Solve for x
    x = 4,422,168,167.32/74,984.94
  6. Step 6: Final answer
    x = 58,974.08

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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.