Home / 74,345.04-102,595.89-40,353.52

Finding the Fourth Proportional to 74,345.04, 102,595.89 and 40,353.52

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Solution

The fourth proportional to 74,345.04, 102,595.89 and 40,353.52 is: 55,687.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,345.04 : 102,595.89 = 40,353.52 : x
  2. Step 2: Convert to fraction form
    74,345.04/102,595.89 = 40,353.52/x
  3. Step 3: Cross multiply
    74,345.04x = 102,595.89 × 40,353.52
  4. Step 4: Simplify right side
    74,345.04x = 4,140,105,299.03
  5. Step 5: Solve for x
    x = 4,140,105,299.03/74,345.04
  6. Step 6: Final answer
    x = 55,687.71

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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.