Home / 59,931.10-89,756.49-47,366.80

Finding the Fourth Proportional to 59,931.10, 89,756.49 and 47,366.80

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Solution

The fourth proportional to 59,931.10, 89,756.49 and 47,366.80 is: 70,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,931.10 : 89,756.49 = 47,366.80 : x
  2. Step 2: Convert to fraction form
    59,931.10/89,756.49 = 47,366.80/x
  3. Step 3: Cross multiply
    59,931.10x = 89,756.49 × 47,366.80
  4. Step 4: Simplify right side
    59,931.10x = 4,251,477,710.53
  5. Step 5: Solve for x
    x = 4,251,477,710.53/59,931.10
  6. Step 6: Final answer
    x = 70,939.42

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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.