Home / 45,657.48-68,492.72-14,070.12

Finding the Fourth Proportional to 45,657.48, 68,492.72 and 14,070.12

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Solution

The fourth proportional to 45,657.48, 68,492.72 and 14,070.12 is: 21,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,657.48 : 68,492.72 = 14,070.12 : x
  2. Step 2: Convert to fraction form
    45,657.48/68,492.72 = 14,070.12/x
  3. Step 3: Cross multiply
    45,657.48x = 68,492.72 × 14,070.12
  4. Step 4: Simplify right side
    45,657.48x = 963,700,789.53
  5. Step 5: Solve for x
    x = 963,700,789.53/45,657.48
  6. Step 6: Final answer
    x = 21,107.18

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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.