Home / 53,890.23-74,348.40-53,807.16

Finding the Fourth Proportional to 53,890.23, 74,348.40 and 53,807.16

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Solution

The fourth proportional to 53,890.23, 74,348.40 and 53,807.16 is: 74,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.23 : 74,348.40 = 53,807.16 : x
  2. Step 2: Convert to fraction form
    53,890.23/74,348.40 = 53,807.16/x
  3. Step 3: Cross multiply
    53,890.23x = 74,348.40 × 53,807.16
  4. Step 4: Simplify right side
    53,890.23x = 4,000,476,254.54
  5. Step 5: Solve for x
    x = 4,000,476,254.54/53,890.23
  6. Step 6: Final answer
    x = 74,233.79

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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.