Home / 53,047.29-79,521.50-36,415.16

Finding the Fourth Proportional to 53,047.29, 79,521.50 and 36,415.16

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Solution

The fourth proportional to 53,047.29, 79,521.50 and 36,415.16 is: 54,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,047.29 : 79,521.50 = 36,415.16 : x
  2. Step 2: Convert to fraction form
    53,047.29/79,521.50 = 36,415.16/x
  3. Step 3: Cross multiply
    53,047.29x = 79,521.50 × 36,415.16
  4. Step 4: Simplify right side
    53,047.29x = 2,895,788,137.58
  5. Step 5: Solve for x
    x = 2,895,788,137.58/53,047.29
  6. Step 6: Final answer
    x = 54,588.80

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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.