Home / 100,947.34-151,226.95-56,439.11

Finding the Fourth Proportional to 100,947.34, 151,226.95 and 56,439.11

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Solution

The fourth proportional to 100,947.34, 151,226.95 and 56,439.11 is: 84,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,947.34 : 151,226.95 = 56,439.11 : x
  2. Step 2: Convert to fraction form
    100,947.34/151,226.95 = 56,439.11/x
  3. Step 3: Cross multiply
    100,947.34x = 151,226.95 × 56,439.11
  4. Step 4: Simplify right side
    100,947.34x = 8,535,114,466.01
  5. Step 5: Solve for x
    x = 8,535,114,466.01/100,947.34
  6. Step 6: Final answer
    x = 84,550.17

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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.