Home / 77,606.07-107,096.80-45,342.58

Finding the Fourth Proportional to 77,606.07, 107,096.80 and 45,342.58

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Solution

The fourth proportional to 77,606.07, 107,096.80 and 45,342.58 is: 62,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,606.07 : 107,096.80 = 45,342.58 : x
  2. Step 2: Convert to fraction form
    77,606.07/107,096.80 = 45,342.58/x
  3. Step 3: Cross multiply
    77,606.07x = 107,096.80 × 45,342.58
  4. Step 4: Simplify right side
    77,606.07x = 4,856,045,126.47
  5. Step 5: Solve for x
    x = 4,856,045,126.47/77,606.07
  6. Step 6: Final answer
    x = 62,573.01

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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.