Home / 59,980.19-89,830.35-47,415.87

Finding the Fourth Proportional to 59,980.19, 89,830.35 and 47,415.87

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Solution

The fourth proportional to 59,980.19, 89,830.35 and 47,415.87 is: 71,013.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,980.19 : 89,830.35 = 47,415.87 : x
  2. Step 2: Convert to fraction form
    59,980.19/89,830.35 = 47,415.87/x
  3. Step 3: Cross multiply
    59,980.19x = 89,830.35 × 47,415.87
  4. Step 4: Simplify right side
    59,980.19x = 4,259,384,197.65
  5. Step 5: Solve for x
    x = 4,259,384,197.65/59,980.19
  6. Step 6: Final answer
    x = 71,013.19

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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.