Home / 56,490.01-77,956.16-30,996.52

Finding the Fourth Proportional to 56,490.01, 77,956.16 and 30,996.52

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Solution

The fourth proportional to 56,490.01, 77,956.16 and 30,996.52 is: 42,775.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,490.01 : 77,956.16 = 30,996.52 : x
  2. Step 2: Convert to fraction form
    56,490.01/77,956.16 = 30,996.52/x
  3. Step 3: Cross multiply
    56,490.01x = 77,956.16 × 30,996.52
  4. Step 4: Simplify right side
    56,490.01x = 2,416,369,322.69
  5. Step 5: Solve for x
    x = 2,416,369,322.69/56,490.01
  6. Step 6: Final answer
    x = 42,775.16

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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.