Home / 43,009.86-64,507.50-16,715.10

Finding the Fourth Proportional to 43,009.86, 64,507.50 and 16,715.10

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Solution

The fourth proportional to 43,009.86, 64,507.50 and 16,715.10 is: 25,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,009.86 : 64,507.50 = 16,715.10 : x
  2. Step 2: Convert to fraction form
    43,009.86/64,507.50 = 16,715.10/x
  3. Step 3: Cross multiply
    43,009.86x = 64,507.50 × 16,715.10
  4. Step 4: Simplify right side
    43,009.86x = 1,078,249,313.25
  5. Step 5: Solve for x
    x = 1,078,249,313.25/43,009.86
  6. Step 6: Final answer
    x = 25,069.82

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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.