Home / 56,617.66-78,130.47-31,466.62

Finding the Fourth Proportional to 56,617.66, 78,130.47 and 31,466.62

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Solution

The fourth proportional to 56,617.66, 78,130.47 and 31,466.62 is: 43,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,617.66 : 78,130.47 = 31,466.62 : x
  2. Step 2: Convert to fraction form
    56,617.66/78,130.47 = 31,466.62/x
  3. Step 3: Cross multiply
    56,617.66x = 78,130.47 × 31,466.62
  4. Step 4: Simplify right side
    56,617.66x = 2,458,501,809.91
  5. Step 5: Solve for x
    x = 2,458,501,809.91/56,617.66
  6. Step 6: Final answer
    x = 43,422.88

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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.