Home / 45,429.44-68,155.12-14,264.68

Finding the Fourth Proportional to 45,429.44, 68,155.12 and 14,264.68

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Solution

The fourth proportional to 45,429.44, 68,155.12 and 14,264.68 is: 21,400.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,429.44 : 68,155.12 = 14,264.68 : x
  2. Step 2: Convert to fraction form
    45,429.44/68,155.12 = 14,264.68/x
  3. Step 3: Cross multiply
    45,429.44x = 68,155.12 × 14,264.68
  4. Step 4: Simplify right side
    45,429.44x = 972,210,977.16
  5. Step 5: Solve for x
    x = 972,210,977.16/45,429.44
  6. Step 6: Final answer
    x = 21,400.46

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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.