Home / 43,269.12-64,903.68-15,566.40

Finding the Fourth Proportional to 43,269.12, 64,903.68 and 15,566.40

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Solution

The fourth proportional to 43,269.12, 64,903.68 and 15,566.40 is: 23,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,269.12 : 64,903.68 = 15,566.40 : x
  2. Step 2: Convert to fraction form
    43,269.12/64,903.68 = 15,566.40/x
  3. Step 3: Cross multiply
    43,269.12x = 64,903.68 × 15,566.40
  4. Step 4: Simplify right side
    43,269.12x = 1,010,316,644.35
  5. Step 5: Solve for x
    x = 1,010,316,644.35/43,269.12
  6. Step 6: Final answer
    x = 23,349.60

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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.