Home / 53,803.16-74,239.80-29,929.76

Finding the Fourth Proportional to 53,803.16, 74,239.80 and 29,929.76

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Solution

The fourth proportional to 53,803.16, 74,239.80 and 29,929.76 is: 41,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,803.16 : 74,239.80 = 29,929.76 : x
  2. Step 2: Convert to fraction form
    53,803.16/74,239.80 = 29,929.76/x
  3. Step 3: Cross multiply
    53,803.16x = 74,239.80 × 29,929.76
  4. Step 4: Simplify right side
    53,803.16x = 2,221,979,396.45
  5. Step 5: Solve for x
    x = 2,221,979,396.45/53,803.16
  6. Step 6: Final answer
    x = 41,298.31

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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.