Home / 53,085.67-79,625.85-19,803.13

Finding the Fourth Proportional to 53,085.67, 79,625.85 and 19,803.13

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Solution

The fourth proportional to 53,085.67, 79,625.85 and 19,803.13 is: 29,703.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,085.67 : 79,625.85 = 19,803.13 : x
  2. Step 2: Convert to fraction form
    53,085.67/79,625.85 = 19,803.13/x
  3. Step 3: Cross multiply
    53,085.67x = 79,625.85 × 19,803.13
  4. Step 4: Simplify right side
    53,085.67x = 1,576,841,058.91
  5. Step 5: Solve for x
    x = 1,576,841,058.91/53,085.67
  6. Step 6: Final answer
    x = 29,703.70

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1.5x scale

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.