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Finding the Fourth Proportional to 56,088, 77,402.40 and 36,250.56

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Solution

The fourth proportional to 56,088, 77,402.40 and 36,250.56 is: 50,026.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,088 : 77,402.40 = 36,250.56 : x
  2. Step 2: Convert to fraction form
    56,088/77,402.40 = 36,250.56/x
  3. Step 3: Cross multiply
    56,088x = 77,402.40 × 36,250.56
  4. Step 4: Simplify right side
    56,088x = 2,805,880,345.34
  5. Step 5: Solve for x
    x = 2,805,880,345.34/56,088
  6. Step 6: Final answer
    x = 50,026.39

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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.