Home / 59,913.47-89,870.21-20,470.93

Finding the Fourth Proportional to 59,913.47, 89,870.21 and 20,470.93

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Solution

The fourth proportional to 59,913.47, 89,870.21 and 20,470.93 is: 30,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,913.47 : 89,870.21 = 20,470.93 : x
  2. Step 2: Convert to fraction form
    59,913.47/89,870.21 = 20,470.93/x
  3. Step 3: Cross multiply
    59,913.47x = 89,870.21 × 20,470.93
  4. Step 4: Simplify right side
    59,913.47x = 1,839,726,527.73
  5. Step 5: Solve for x
    x = 1,839,726,527.73/59,913.47
  6. Step 6: Final answer
    x = 30,706.39

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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.