Home / 55,955.34-77,216.76-31,753.08

Finding the Fourth Proportional to 55,955.34, 77,216.76 and 31,753.08

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Solution

The fourth proportional to 55,955.34, 77,216.76 and 31,753.08 is: 43,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,955.34 : 77,216.76 = 31,753.08 : x
  2. Step 2: Convert to fraction form
    55,955.34/77,216.76 = 31,753.08/x
  3. Step 3: Cross multiply
    55,955.34x = 77,216.76 × 31,753.08
  4. Step 4: Simplify right side
    55,955.34x = 2,451,869,957.62
  5. Step 5: Solve for x
    x = 2,451,869,957.62/55,955.34
  6. Step 6: Final answer
    x = 43,818.34

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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.