Home / 59,835.80-89,769.90-53,307.20

Finding the Fourth Proportional to 59,835.80, 89,769.90 and 53,307.20

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Solution

The fourth proportional to 59,835.80, 89,769.90 and 53,307.20 is: 79,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,835.80 : 89,769.90 = 53,307.20 : x
  2. Step 2: Convert to fraction form
    59,835.80/89,769.90 = 53,307.20/x
  3. Step 3: Cross multiply
    59,835.80x = 89,769.90 × 53,307.20
  4. Step 4: Simplify right side
    59,835.80x = 4,785,382,013.28
  5. Step 5: Solve for x
    x = 4,785,382,013.28/59,835.80
  6. Step 6: Final answer
    x = 79,975.23

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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.