Home / 74,675.08-103,047.40-42,841

Finding the Fourth Proportional to 74,675.08, 103,047.40 and 42,841

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Solution

The fourth proportional to 74,675.08, 103,047.40 and 42,841 is: 59,118.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,675.08 : 103,047.40 = 42,841 : x
  2. Step 2: Convert to fraction form
    74,675.08/103,047.40 = 42,841/x
  3. Step 3: Cross multiply
    74,675.08x = 103,047.40 × 42,841
  4. Step 4: Simplify right side
    74,675.08x = 4,414,653,663.40
  5. Step 5: Solve for x
    x = 4,414,653,663.40/74,675.08
  6. Step 6: Final answer
    x = 59,118.16

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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.