Home / 76,353.03-114,573.29-42,647.31

Finding the Fourth Proportional to 76,353.03, 114,573.29 and 42,647.31

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Solution

The fourth proportional to 76,353.03, 114,573.29 and 42,647.31 is: 63,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,353.03 : 114,573.29 = 42,647.31 : x
  2. Step 2: Convert to fraction form
    76,353.03/114,573.29 = 42,647.31/x
  3. Step 3: Cross multiply
    76,353.03x = 114,573.29 × 42,647.31
  4. Step 4: Simplify right side
    76,353.03x = 4,886,242,403.11
  5. Step 5: Solve for x
    x = 4,886,242,403.11/76,353.03
  6. Step 6: Final answer
    x = 63,995.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.