Home / 75,725.40-104,501.34-43,913.04

Finding the Fourth Proportional to 75,725.40, 104,501.34 and 43,913.04

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Solution

The fourth proportional to 75,725.40, 104,501.34 and 43,913.04 is: 60,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,725.40 : 104,501.34 = 43,913.04 : x
  2. Step 2: Convert to fraction form
    75,725.40/104,501.34 = 43,913.04/x
  3. Step 3: Cross multiply
    75,725.40x = 104,501.34 × 43,913.04
  4. Step 4: Simplify right side
    75,725.40x = 4,588,971,523.47
  5. Step 5: Solve for x
    x = 4,588,971,523.47/75,725.40
  6. Step 6: Final answer
    x = 60,600.16

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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.