Home / 56,499.84-77,966.08-31,348.48

Finding the Fourth Proportional to 56,499.84, 77,966.08 and 31,348.48

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Solution

The fourth proportional to 56,499.84, 77,966.08 and 31,348.48 is: 43,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,499.84 : 77,966.08 = 31,348.48 : x
  2. Step 2: Convert to fraction form
    56,499.84/77,966.08 = 31,348.48/x
  3. Step 3: Cross multiply
    56,499.84x = 77,966.08 × 31,348.48
  4. Step 4: Simplify right side
    56,499.84x = 2,444,118,099.56
  5. Step 5: Solve for x
    x = 2,444,118,099.56/56,499.84
  6. Step 6: Final answer
    x = 43,258.85

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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.