Home / 74,127.56-102,293.70-40,593.80

Finding the Fourth Proportional to 74,127.56, 102,293.70 and 40,593.80

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Solution

The fourth proportional to 74,127.56, 102,293.70 and 40,593.80 is: 56,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,127.56 : 102,293.70 = 40,593.80 : x
  2. Step 2: Convert to fraction form
    74,127.56/102,293.70 = 40,593.80/x
  3. Step 3: Cross multiply
    74,127.56x = 102,293.70 × 40,593.80
  4. Step 4: Simplify right side
    74,127.56x = 4,152,489,999.06
  5. Step 5: Solve for x
    x = 4,152,489,999.06/74,127.56
  6. Step 6: Final answer
    x = 56,018.17

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1.5x scale

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.