Home / 85,546.58-128,341.76-35,610.08

Finding the Fourth Proportional to 85,546.58, 128,341.76 and 35,610.08

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Solution

The fourth proportional to 85,546.58, 128,341.76 and 35,610.08 is: 53,424.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,546.58 : 128,341.76 = 35,610.08 : x
  2. Step 2: Convert to fraction form
    85,546.58/128,341.76 = 35,610.08/x
  3. Step 3: Cross multiply
    85,546.58x = 128,341.76 × 35,610.08
  4. Step 4: Simplify right side
    85,546.58x = 4,570,260,483.74
  5. Step 5: Solve for x
    x = 4,570,260,483.74/85,546.58
  6. Step 6: Final answer
    x = 53,424.23

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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.