Home / 53,681.83-74,083.27-29,810.72

Finding the Fourth Proportional to 53,681.83, 74,083.27 and 29,810.72

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Solution

The fourth proportional to 53,681.83, 74,083.27 and 29,810.72 is: 41,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,681.83 : 74,083.27 = 29,810.72 : x
  2. Step 2: Convert to fraction form
    53,681.83/74,083.27 = 29,810.72/x
  3. Step 3: Cross multiply
    53,681.83x = 74,083.27 × 29,810.72
  4. Step 4: Simplify right side
    53,681.83x = 2,208,475,618.65
  5. Step 5: Solve for x
    x = 2,208,475,618.65/53,681.83
  6. Step 6: Final answer
    x = 41,140.10

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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.