Home / 61,802.16-92,712.06-19,111.38

Finding the Fourth Proportional to 61,802.16, 92,712.06 and 19,111.38

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Solution

The fourth proportional to 61,802.16, 92,712.06 and 19,111.38 is: 28,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,802.16 : 92,712.06 = 19,111.38 : x
  2. Step 2: Convert to fraction form
    61,802.16/92,712.06 = 19,111.38/x
  3. Step 3: Cross multiply
    61,802.16x = 92,712.06 × 19,111.38
  4. Step 4: Simplify right side
    61,802.16x = 1,771,855,409.24
  5. Step 5: Solve for x
    x = 1,771,855,409.24/61,802.16
  6. Step 6: Final answer
    x = 28,669.80

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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.