Home / 58,348.98-80,352.18-50,688.78

Finding the Fourth Proportional to 58,348.98, 80,352.18 and 50,688.78

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Solution

The fourth proportional to 58,348.98, 80,352.18 and 50,688.78 is: 69,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,348.98 : 80,352.18 = 50,688.78 : x
  2. Step 2: Convert to fraction form
    58,348.98/80,352.18 = 50,688.78/x
  3. Step 3: Cross multiply
    58,348.98x = 80,352.18 × 50,688.78
  4. Step 4: Simplify right side
    58,348.98x = 4,072,953,974.54
  5. Step 5: Solve for x
    x = 4,072,953,974.54/58,348.98
  6. Step 6: Final answer
    x = 69,803.34

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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.