Home / 74,620.60-102,973.08-40,628.23

Finding the Fourth Proportional to 74,620.60, 102,973.08 and 40,628.23

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Solution

The fourth proportional to 74,620.60, 102,973.08 and 40,628.23 is: 56,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,620.60 : 102,973.08 = 40,628.23 : x
  2. Step 2: Convert to fraction form
    74,620.60/102,973.08 = 40,628.23/x
  3. Step 3: Cross multiply
    74,620.60x = 102,973.08 × 40,628.23
  4. Step 4: Simplify right side
    74,620.60x = 4,183,613,978.05
  5. Step 5: Solve for x
    x = 4,183,613,978.05/74,620.60
  6. Step 6: Final answer
    x = 56,065.13

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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.