Home / 53,107.20-79,689.60-23,529.60

Finding the Fourth Proportional to 53,107.20, 79,689.60 and 23,529.60

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Solution

The fourth proportional to 53,107.20, 79,689.60 and 23,529.60 is: 35,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,107.20 : 79,689.60 = 23,529.60 : x
  2. Step 2: Convert to fraction form
    53,107.20/79,689.60 = 23,529.60/x
  3. Step 3: Cross multiply
    53,107.20x = 79,689.60 × 23,529.60
  4. Step 4: Simplify right side
    53,107.20x = 1,875,064,412.16
  5. Step 5: Solve for x
    x = 1,875,064,412.16/53,107.20
  6. Step 6: Final answer
    x = 35,307.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.