Home / 46,045.88-69,068.84-20,715.81

Finding the Fourth Proportional to 46,045.88, 69,068.84 and 20,715.81

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Solution

The fourth proportional to 46,045.88, 69,068.84 and 20,715.81 is: 31,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,045.88 : 69,068.84 = 20,715.81 : x
  2. Step 2: Convert to fraction form
    46,045.88/69,068.84 = 20,715.81/x
  3. Step 3: Cross multiply
    46,045.88x = 69,068.84 × 20,715.81
  4. Step 4: Simplify right side
    46,045.88x = 1,430,816,603.77
  5. Step 5: Solve for x
    x = 1,430,816,603.77/46,045.88
  6. Step 6: Final answer
    x = 31,073.72

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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.