Home / 48,970.86-67,579.16-28,828.59

Finding the Fourth Proportional to 48,970.86, 67,579.16 and 28,828.59

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Solution

The fourth proportional to 48,970.86, 67,579.16 and 28,828.59 is: 39,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,970.86 : 67,579.16 = 28,828.59 : x
  2. Step 2: Convert to fraction form
    48,970.86/67,579.16 = 28,828.59/x
  3. Step 3: Cross multiply
    48,970.86x = 67,579.16 × 28,828.59
  4. Step 4: Simplify right side
    48,970.86x = 1,948,211,752.04
  5. Step 5: Solve for x
    x = 1,948,211,752.04/48,970.86
  6. Step 6: Final answer
    x = 39,783.08

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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.