Home / 53,123.08-73,307.13-29,245.15

Finding the Fourth Proportional to 53,123.08, 73,307.13 and 29,245.15

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Solution

The fourth proportional to 53,123.08, 73,307.13 and 29,245.15 is: 40,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,123.08 : 73,307.13 = 29,245.15 : x
  2. Step 2: Convert to fraction form
    53,123.08/73,307.13 = 29,245.15/x
  3. Step 3: Cross multiply
    53,123.08x = 73,307.13 × 29,245.15
  4. Step 4: Simplify right side
    53,123.08x = 2,143,878,012.92
  5. Step 5: Solve for x
    x = 2,143,878,012.92/53,123.08
  6. Step 6: Final answer
    x = 40,356.81

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1.5x scale

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.