Home / 53,159.16-73,359.30-29,285.28

Finding the Fourth Proportional to 53,159.16, 73,359.30 and 29,285.28

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Solution

The fourth proportional to 53,159.16, 73,359.30 and 29,285.28 is: 40,413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,159.16 : 73,359.30 = 29,285.28 : x
  2. Step 2: Convert to fraction form
    53,159.16/73,359.30 = 29,285.28/x
  3. Step 3: Cross multiply
    53,159.16x = 73,359.30 × 29,285.28
  4. Step 4: Simplify right side
    53,159.16x = 2,148,347,641.10
  5. Step 5: Solve for x
    x = 2,148,347,641.10/53,159.16
  6. Step 6: Final answer
    x = 40,413.50

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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.