Home / 46,569.85-69,857.30-13,287.35

Finding the Fourth Proportional to 46,569.85, 69,857.30 and 13,287.35

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Solution

The fourth proportional to 46,569.85, 69,857.30 and 13,287.35 is: 19,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,569.85 : 69,857.30 = 13,287.35 : x
  2. Step 2: Convert to fraction form
    46,569.85/69,857.30 = 13,287.35/x
  3. Step 3: Cross multiply
    46,569.85x = 69,857.30 × 13,287.35
  4. Step 4: Simplify right side
    46,569.85x = 928,218,603.02
  5. Step 5: Solve for x
    x = 928,218,603.02/46,569.85
  6. Step 6: Final answer
    x = 19,931.75

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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.