Home / 45,065.16-67,607.24-13,477.68

Finding the Fourth Proportional to 45,065.16, 67,607.24 and 13,477.68

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Solution

The fourth proportional to 45,065.16, 67,607.24 and 13,477.68 is: 20,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,065.16 : 67,607.24 = 13,477.68 : x
  2. Step 2: Convert to fraction form
    45,065.16/67,607.24 = 13,477.68/x
  3. Step 3: Cross multiply
    45,065.16x = 67,607.24 × 13,477.68
  4. Step 4: Simplify right side
    45,065.16x = 911,188,746.40
  5. Step 5: Solve for x
    x = 911,188,746.40/45,065.16
  6. Step 6: Final answer
    x = 20,219.36

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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.