Home / 99,417.87-149,018.67-49,534.83

Finding the Fourth Proportional to 99,417.87, 149,018.67 and 49,534.83

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Solution

The fourth proportional to 99,417.87, 149,018.67 and 49,534.83 is: 74,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,417.87 : 149,018.67 = 49,534.83 : x
  2. Step 2: Convert to fraction form
    99,417.87/149,018.67 = 49,534.83/x
  3. Step 3: Cross multiply
    99,417.87x = 149,018.67 × 49,534.83
  4. Step 4: Simplify right side
    99,417.87x = 7,381,614,485.28
  5. Step 5: Solve for x
    x = 7,381,614,485.28/99,417.87
  6. Step 6: Final answer
    x = 74,248.37

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1.5x scale

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.