Home / 45,709.76-63,080.40-25,564.45

Finding the Fourth Proportional to 45,709.76, 63,080.40 and 25,564.45

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Solution

The fourth proportional to 45,709.76, 63,080.40 and 25,564.45 is: 35,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,709.76 : 63,080.40 = 25,564.45 : x
  2. Step 2: Convert to fraction form
    45,709.76/63,080.40 = 25,564.45/x
  3. Step 3: Cross multiply
    45,709.76x = 63,080.40 × 25,564.45
  4. Step 4: Simplify right side
    45,709.76x = 1,612,615,731.78
  5. Step 5: Solve for x
    x = 1,612,615,731.78/45,709.76
  6. Step 6: Final answer
    x = 35,279.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.