Home / 46,111.86-69,156.72-21,136.32

Finding the Fourth Proportional to 46,111.86, 69,156.72 and 21,136.32

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Solution

The fourth proportional to 46,111.86, 69,156.72 and 21,136.32 is: 31,699.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,111.86 : 69,156.72 = 21,136.32 : x
  2. Step 2: Convert to fraction form
    46,111.86/69,156.72 = 21,136.32/x
  3. Step 3: Cross multiply
    46,111.86x = 69,156.72 × 21,136.32
  4. Step 4: Simplify right side
    46,111.86x = 1,461,718,564.07
  5. Step 5: Solve for x
    x = 1,461,718,564.07/46,111.86
  6. Step 6: Final answer
    x = 31,699.41

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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.