Home / 61,247.08-84,459.54-57,916.36

Finding the Fourth Proportional to 61,247.08, 84,459.54 and 57,916.36

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Solution

The fourth proportional to 61,247.08, 84,459.54 and 57,916.36 is: 79,866.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,247.08 : 84,459.54 = 57,916.36 : x
  2. Step 2: Convert to fraction form
    61,247.08/84,459.54 = 57,916.36/x
  3. Step 3: Cross multiply
    61,247.08x = 84,459.54 × 57,916.36
  4. Step 4: Simplify right side
    61,247.08x = 4,891,589,124.07
  5. Step 5: Solve for x
    x = 4,891,589,124.07/61,247.08
  6. Step 6: Final answer
    x = 79,866.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.