Home / 74,353.94-102,609.23-40,362.74

Finding the Fourth Proportional to 74,353.94, 102,609.23 and 40,362.74

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Solution

The fourth proportional to 74,353.94, 102,609.23 and 40,362.74 is: 55,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,353.94 : 102,609.23 = 40,362.74 : x
  2. Step 2: Convert to fraction form
    74,353.94/102,609.23 = 40,362.74/x
  3. Step 3: Cross multiply
    74,353.94x = 102,609.23 × 40,362.74
  4. Step 4: Simplify right side
    74,353.94x = 4,141,588,957.23
  5. Step 5: Solve for x
    x = 4,141,588,957.23/74,353.94
  6. Step 6: Final answer
    x = 55,701.01

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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.