Home / 45,622.04-68,435.48-14,459.72

Finding the Fourth Proportional to 45,622.04, 68,435.48 and 14,459.72

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Solution

The fourth proportional to 45,622.04, 68,435.48 and 14,459.72 is: 21,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,622.04 : 68,435.48 = 14,459.72 : x
  2. Step 2: Convert to fraction form
    45,622.04/68,435.48 = 14,459.72/x
  3. Step 3: Cross multiply
    45,622.04x = 68,435.48 × 14,459.72
  4. Step 4: Simplify right side
    45,622.04x = 989,557,572.84
  5. Step 5: Solve for x
    x = 989,557,572.84/45,622.04
  6. Step 6: Final answer
    x = 21,690.34

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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.