Home / 76,427.21-105,468.08-42,433.94

Finding the Fourth Proportional to 76,427.21, 105,468.08 and 42,433.94

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Solution

The fourth proportional to 76,427.21, 105,468.08 and 42,433.94 is: 58,558.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,427.21 : 105,468.08 = 42,433.94 : x
  2. Step 2: Convert to fraction form
    76,427.21/105,468.08 = 42,433.94/x
  3. Step 3: Cross multiply
    76,427.21x = 105,468.08 × 42,433.94
  4. Step 4: Simplify right side
    76,427.21x = 4,475,426,230.14
  5. Step 5: Solve for x
    x = 4,475,426,230.14/76,427.21
  6. Step 6: Final answer
    x = 58,558.02

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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.