Home / 85,528.88-128,316.81-35,632.34

Finding the Fourth Proportional to 85,528.88, 128,316.81 and 35,632.34

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Solution

The fourth proportional to 85,528.88, 128,316.81 and 35,632.34 is: 53,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,528.88 : 128,316.81 = 35,632.34 : x
  2. Step 2: Convert to fraction form
    85,528.88/128,316.81 = 35,632.34/x
  3. Step 3: Cross multiply
    85,528.88x = 128,316.81 × 35,632.34
  4. Step 4: Simplify right side
    85,528.88x = 4,572,228,201.64
  5. Step 5: Solve for x
    x = 4,572,228,201.64/85,528.88
  6. Step 6: Final answer
    x = 53,458.30

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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.