Home / 74,291.05-102,496.72-42,437.40

Finding the Fourth Proportional to 74,291.05, 102,496.72 and 42,437.40

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Solution

The fourth proportional to 74,291.05, 102,496.72 and 42,437.40 is: 58,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,291.05 : 102,496.72 = 42,437.40 : x
  2. Step 2: Convert to fraction form
    74,291.05/102,496.72 = 42,437.40/x
  3. Step 3: Cross multiply
    74,291.05x = 102,496.72 × 42,437.40
  4. Step 4: Simplify right side
    74,291.05x = 4,349,693,580.66
  5. Step 5: Solve for x
    x = 4,349,693,580.66/74,291.05
  6. Step 6: Final answer
    x = 58,549.36

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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.