Home / 74,566.45-102,903.46-42,303.25

Finding the Fourth Proportional to 74,566.45, 102,903.46 and 42,303.25

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Solution

The fourth proportional to 74,566.45, 102,903.46 and 42,303.25 is: 58,379.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,566.45 : 102,903.46 = 42,303.25 : x
  2. Step 2: Convert to fraction form
    74,566.45/102,903.46 = 42,303.25/x
  3. Step 3: Cross multiply
    74,566.45x = 102,903.46 × 42,303.25
  4. Step 4: Simplify right side
    74,566.45x = 4,353,150,642.74
  5. Step 5: Solve for x
    x = 4,353,150,642.74/74,566.45
  6. Step 6: Final answer
    x = 58,379.48

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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.