Home / 48,312.48-72,579.36-28,604.64

Finding the Fourth Proportional to 48,312.48, 72,579.36 and 28,604.64

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Solution

The fourth proportional to 48,312.48, 72,579.36 and 28,604.64 is: 42,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,312.48 : 72,579.36 = 28,604.64 : x
  2. Step 2: Convert to fraction form
    48,312.48/72,579.36 = 28,604.64/x
  3. Step 3: Cross multiply
    48,312.48x = 72,579.36 × 28,604.64
  4. Step 4: Simplify right side
    48,312.48x = 2,076,106,464.23
  5. Step 5: Solve for x
    x = 2,076,106,464.23/48,312.48
  6. Step 6: Final answer
    x = 42,972.47

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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.