Home / 74,206.60-102,404.88-40,216.06

Finding the Fourth Proportional to 74,206.60, 102,404.88 and 40,216.06

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Solution

The fourth proportional to 74,206.60, 102,404.88 and 40,216.06 is: 55,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,206.60 : 102,404.88 = 40,216.06 : x
  2. Step 2: Convert to fraction form
    74,206.60/102,404.88 = 40,216.06/x
  3. Step 3: Cross multiply
    74,206.60x = 102,404.88 × 40,216.06
  4. Step 4: Simplify right side
    74,206.60x = 4,118,320,798.37
  5. Step 5: Solve for x
    x = 4,118,320,798.37/74,206.60
  6. Step 6: Final answer
    x = 55,498.04

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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.