Home / 74,345.42-102,594.39-40,352.30

Finding the Fourth Proportional to 74,345.42, 102,594.39 and 40,352.30

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Solution

The fourth proportional to 74,345.42, 102,594.39 and 40,352.30 is: 55,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,345.42 : 102,594.39 = 40,352.30 : x
  2. Step 2: Convert to fraction form
    74,345.42/102,594.39 = 40,352.30/x
  3. Step 3: Cross multiply
    74,345.42x = 102,594.39 × 40,352.30
  4. Step 4: Simplify right side
    74,345.42x = 4,139,919,603.60
  5. Step 5: Solve for x
    x = 4,139,919,603.60/74,345.42
  6. Step 6: Final answer
    x = 55,684.93

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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.