Home / 56,159.58-77,498.19-31,008.54

Finding the Fourth Proportional to 56,159.58, 77,498.19 and 31,008.54

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Solution

The fourth proportional to 56,159.58, 77,498.19 and 31,008.54 is: 42,790.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,159.58 : 77,498.19 = 31,008.54 : x
  2. Step 2: Convert to fraction form
    56,159.58/77,498.19 = 31,008.54/x
  3. Step 3: Cross multiply
    56,159.58x = 77,498.19 × 31,008.54
  4. Step 4: Simplify right side
    56,159.58x = 2,403,105,724.54
  5. Step 5: Solve for x
    x = 2,403,105,724.54/56,159.58
  6. Step 6: Final answer
    x = 42,790.66

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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.