Home / 56,471.04-84,705.12-14,918.40

Finding the Fourth Proportional to 56,471.04, 84,705.12 and 14,918.40

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Solution

The fourth proportional to 56,471.04, 84,705.12 and 14,918.40 is: 22,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,471.04 : 84,705.12 = 14,918.40 : x
  2. Step 2: Convert to fraction form
    56,471.04/84,705.12 = 14,918.40/x
  3. Step 3: Cross multiply
    56,471.04x = 84,705.12 × 14,918.40
  4. Step 4: Simplify right side
    56,471.04x = 1,263,664,862.21
  5. Step 5: Solve for x
    x = 1,263,664,862.21/56,471.04
  6. Step 6: Final answer
    x = 22,377.22

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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.