Home / 127,726.61-191,612.47-52,804.77

Finding the Fourth Proportional to 127,726.61, 191,612.47 and 52,804.77

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Solution

The fourth proportional to 127,726.61, 191,612.47 and 52,804.77 is: 79,216.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,726.61 : 191,612.47 = 52,804.77 : x
  2. Step 2: Convert to fraction form
    127,726.61/191,612.47 = 52,804.77/x
  3. Step 3: Cross multiply
    127,726.61x = 191,612.47 × 52,804.77
  4. Step 4: Simplify right side
    127,726.61x = 10,118,052,891.82
  5. Step 5: Solve for x
    x = 10,118,052,891.82/127,726.61
  6. Step 6: Final answer
    x = 79,216.48

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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.