Home / 56,847.44-78,448.40-31,356.18

Finding the Fourth Proportional to 56,847.44, 78,448.40 and 31,356.18

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Solution

The fourth proportional to 56,847.44, 78,448.40 and 31,356.18 is: 43,270.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,847.44 : 78,448.40 = 31,356.18 : x
  2. Step 2: Convert to fraction form
    56,847.44/78,448.40 = 31,356.18/x
  3. Step 3: Cross multiply
    56,847.44x = 78,448.40 × 31,356.18
  4. Step 4: Simplify right side
    56,847.44x = 2,459,842,151.11
  5. Step 5: Solve for x
    x = 2,459,842,151.11/56,847.44
  6. Step 6: Final answer
    x = 43,270.94

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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.