Home / 43,259.60-64,885.08-12,095.12

Finding the Fourth Proportional to 43,259.60, 64,885.08 and 12,095.12

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Solution

The fourth proportional to 43,259.60, 64,885.08 and 12,095.12 is: 18,141.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,259.60 : 64,885.08 = 12,095.12 : x
  2. Step 2: Convert to fraction form
    43,259.60/64,885.08 = 12,095.12/x
  3. Step 3: Cross multiply
    43,259.60x = 64,885.08 × 12,095.12
  4. Step 4: Simplify right side
    43,259.60x = 784,792,828.81
  5. Step 5: Solve for x
    x = 784,792,828.81/43,259.60
  6. Step 6: Final answer
    x = 18,141.47

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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.