Home / 84,280.77-116,312.90-48,470.00

Finding the Fourth Proportional to 84,280.77, 116,312.90 and 48,470.00

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Solution

The fourth proportional to 84,280.77, 116,312.90 and 48,470.00 is: 66,891.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,280.77 : 116,312.90 = 48,470.00 : x
  2. Step 2: Convert to fraction form
    84,280.77/116,312.90 = 48,470.00/x
  3. Step 3: Cross multiply
    84,280.77x = 116,312.90 × 48,470.00
  4. Step 4: Simplify right side
    84,280.77x = 5,637,685,439.09
  5. Step 5: Solve for x
    x = 5,637,685,439.09/84,280.77
  6. Step 6: Final answer
    x = 66,891.72

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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.