Home / 75,627.47-113,309.58-53,090.30

Finding the Fourth Proportional to 75,627.47, 113,309.58 and 53,090.30

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Solution

The fourth proportional to 75,627.47, 113,309.58 and 53,090.30 is: 79,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,627.47 : 113,309.58 = 53,090.30 : x
  2. Step 2: Convert to fraction form
    75,627.47/113,309.58 = 53,090.30/x
  3. Step 3: Cross multiply
    75,627.47x = 113,309.58 × 53,090.30
  4. Step 4: Simplify right side
    75,627.47x = 6,015,639,595.07
  5. Step 5: Solve for x
    x = 6,015,639,595.07/75,627.47
  6. Step 6: Final answer
    x = 79,543.05

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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.