Home / 56,514.52-77,990.34-31,364.08

Finding the Fourth Proportional to 56,514.52, 77,990.34 and 31,364.08

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Solution

The fourth proportional to 56,514.52, 77,990.34 and 31,364.08 is: 43,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,514.52 : 77,990.34 = 31,364.08 : x
  2. Step 2: Convert to fraction form
    56,514.52/77,990.34 = 31,364.08/x
  3. Step 3: Cross multiply
    56,514.52x = 77,990.34 × 31,364.08
  4. Step 4: Simplify right side
    56,514.52x = 2,446,095,262.99
  5. Step 5: Solve for x
    x = 2,446,095,262.99/56,514.52
  6. Step 6: Final answer
    x = 43,282.60

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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.