Home / 46,378.80-69,443.55-38,158.02

Finding the Fourth Proportional to 46,378.80, 69,443.55 and 38,158.02

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Solution

The fourth proportional to 46,378.80, 69,443.55 and 38,158.02 is: 57,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,378.80 : 69,443.55 = 38,158.02 : x
  2. Step 2: Convert to fraction form
    46,378.80/69,443.55 = 38,158.02/x
  3. Step 3: Cross multiply
    46,378.80x = 69,443.55 × 38,158.02
  4. Step 4: Simplify right side
    46,378.80x = 2,649,828,369.77
  5. Step 5: Solve for x
    x = 2,649,828,369.77/46,378.80
  6. Step 6: Final answer
    x = 57,134.47

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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.