Home / 74,554.08-111,847.32-42,984.60

Finding the Fourth Proportional to 74,554.08, 111,847.32 and 42,984.60

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Solution

The fourth proportional to 74,554.08, 111,847.32 and 42,984.60 is: 64,486.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,554.08 : 111,847.32 = 42,984.60 : x
  2. Step 2: Convert to fraction form
    74,554.08/111,847.32 = 42,984.60/x
  3. Step 3: Cross multiply
    74,554.08x = 111,847.32 × 42,984.60
  4. Step 4: Simplify right side
    74,554.08x = 4,807,712,311.27
  5. Step 5: Solve for x
    x = 4,807,712,311.27/74,554.08
  6. Step 6: Final answer
    x = 64,486.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.