Home / 56,495.56-77,966.94-31,345.60

Finding the Fourth Proportional to 56,495.56, 77,966.94 and 31,345.60

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Solution

The fourth proportional to 56,495.56, 77,966.94 and 31,345.60 is: 43,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,495.56 : 77,966.94 = 31,345.60 : x
  2. Step 2: Convert to fraction form
    56,495.56/77,966.94 = 31,345.60/x
  3. Step 3: Cross multiply
    56,495.56x = 77,966.94 × 31,345.60
  4. Step 4: Simplify right side
    56,495.56x = 2,443,920,514.46
  5. Step 5: Solve for x
    x = 2,443,920,514.46/56,495.56
  6. Step 6: Final answer
    x = 43,258.63

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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.