Home / 54,124.98-74,686.77-31,459.86

Finding the Fourth Proportional to 54,124.98, 74,686.77 and 31,459.86

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Solution

The fourth proportional to 54,124.98, 74,686.77 and 31,459.86 is: 43,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,124.98 : 74,686.77 = 31,459.86 : x
  2. Step 2: Convert to fraction form
    54,124.98/74,686.77 = 31,459.86/x
  3. Step 3: Cross multiply
    54,124.98x = 74,686.77 × 31,459.86
  4. Step 4: Simplify right side
    54,124.98x = 2,349,635,328.05
  5. Step 5: Solve for x
    x = 2,349,635,328.05/54,124.98
  6. Step 6: Final answer
    x = 43,411.29

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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.