Home / 56,705.04-78,241.68-31,549.68

Finding the Fourth Proportional to 56,705.04, 78,241.68 and 31,549.68

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Solution

The fourth proportional to 56,705.04, 78,241.68 and 31,549.68 is: 43,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,705.04 : 78,241.68 = 31,549.68 : x
  2. Step 2: Convert to fraction form
    56,705.04/78,241.68 = 31,549.68/x
  3. Step 3: Cross multiply
    56,705.04x = 78,241.68 × 31,549.68
  4. Step 4: Simplify right side
    56,705.04x = 2,468,499,966.66
  5. Step 5: Solve for x
    x = 2,468,499,966.66/56,705.04
  6. Step 6: Final answer
    x = 43,532.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.