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Finding the Fourth Proportional to 58,936.40, 88,307.40 and 50,577.20

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Solution

The fourth proportional to 58,936.40, 88,307.40 and 50,577.20 is: 75,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,936.40 : 88,307.40 = 50,577.20 : x
  2. Step 2: Convert to fraction form
    58,936.40/88,307.40 = 50,577.20/x
  3. Step 3: Cross multiply
    58,936.40x = 88,307.40 × 50,577.20
  4. Step 4: Simplify right side
    58,936.40x = 4,466,341,031.28
  5. Step 5: Solve for x
    x = 4,466,341,031.28/58,936.40
  6. Step 6: Final answer
    x = 75,782.39

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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.