Home / 107,055.36-147,672.96-64,588.80

Finding the Fourth Proportional to 107,055.36, 147,672.96 and 64,588.80

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Solution

The fourth proportional to 107,055.36, 147,672.96 and 64,588.80 is: 89,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,055.36 : 147,672.96 = 64,588.80 : x
  2. Step 2: Convert to fraction form
    107,055.36/147,672.96 = 64,588.80/x
  3. Step 3: Cross multiply
    107,055.36x = 147,672.96 × 64,588.80
  4. Step 4: Simplify right side
    107,055.36x = 9,538,019,278.85
  5. Step 5: Solve for x
    x = 9,538,019,278.85/107,055.36
  6. Step 6: Final answer
    x = 89,094.27

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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.