Home / 53,050.16-73,211.12-29,178.72

Finding the Fourth Proportional to 53,050.16, 73,211.12 and 29,178.72

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Solution

The fourth proportional to 53,050.16, 73,211.12 and 29,178.72 is: 40,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,050.16 : 73,211.12 = 29,178.72 : x
  2. Step 2: Convert to fraction form
    53,050.16/73,211.12 = 29,178.72/x
  3. Step 3: Cross multiply
    53,050.16x = 73,211.12 × 29,178.72
  4. Step 4: Simplify right side
    53,050.16x = 2,136,206,771.37
  5. Step 5: Solve for x
    x = 2,136,206,771.37/53,050.16
  6. Step 6: Final answer
    x = 40,267.68

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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.