Home / 74,501.25-102,811.73-40,967.25

Finding the Fourth Proportional to 74,501.25, 102,811.73 and 40,967.25

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Solution

The fourth proportional to 74,501.25, 102,811.73 and 40,967.25 is: 56,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,501.25 : 102,811.73 = 40,967.25 : x
  2. Step 2: Convert to fraction form
    74,501.25/102,811.73 = 40,967.25/x
  3. Step 3: Cross multiply
    74,501.25x = 102,811.73 × 40,967.25
  4. Step 4: Simplify right side
    74,501.25x = 4,211,913,641.01
  5. Step 5: Solve for x
    x = 4,211,913,641.01/74,501.25
  6. Step 6: Final answer
    x = 56,534.81

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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.