Home / 53,960.48-74,461.20-30,085.28

Finding the Fourth Proportional to 53,960.48, 74,461.20 and 30,085.28

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Solution

The fourth proportional to 53,960.48, 74,461.20 and 30,085.28 is: 41,515.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,960.48 : 74,461.20 = 30,085.28 : x
  2. Step 2: Convert to fraction form
    53,960.48/74,461.20 = 30,085.28/x
  3. Step 3: Cross multiply
    53,960.48x = 74,461.20 × 30,085.28
  4. Step 4: Simplify right side
    53,960.48x = 2,240,186,051.14
  5. Step 5: Solve for x
    x = 2,240,186,051.14/53,960.48
  6. Step 6: Final answer
    x = 41,515.31

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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.