Home / 44,139.08-66,208.64-10,859.76

Finding the Fourth Proportional to 44,139.08, 66,208.64 and 10,859.76

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Solution

The fourth proportional to 44,139.08, 66,208.64 and 10,859.76 is: 16,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,139.08 : 66,208.64 = 10,859.76 : x
  2. Step 2: Convert to fraction form
    44,139.08/66,208.64 = 10,859.76/x
  3. Step 3: Cross multiply
    44,139.08x = 66,208.64 × 10,859.76
  4. Step 4: Simplify right side
    44,139.08x = 719,009,886.03
  5. Step 5: Solve for x
    x = 719,009,886.03/44,139.08
  6. Step 6: Final answer
    x = 16,289.65

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1.5x scale

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.