Home / 127,785.51-191,653.56-48,880.98

Finding the Fourth Proportional to 127,785.51, 191,653.56 and 48,880.98

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Solution

The fourth proportional to 127,785.51, 191,653.56 and 48,880.98 is: 73,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,785.51 : 191,653.56 = 48,880.98 : x
  2. Step 2: Convert to fraction form
    127,785.51/191,653.56 = 48,880.98/x
  3. Step 3: Cross multiply
    127,785.51x = 191,653.56 × 48,880.98
  4. Step 4: Simplify right side
    127,785.51x = 9,368,213,833.29
  5. Step 5: Solve for x
    x = 9,368,213,833.29/127,785.51
  6. Step 6: Final answer
    x = 73,312.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.