Home / 93,571.12-129,151.34-53,308.81

Finding the Fourth Proportional to 93,571.12, 129,151.34 and 53,308.81

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Solution

The fourth proportional to 93,571.12, 129,151.34 and 53,308.81 is: 73,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,571.12 : 129,151.34 = 53,308.81 : x
  2. Step 2: Convert to fraction form
    93,571.12/129,151.34 = 53,308.81/x
  3. Step 3: Cross multiply
    93,571.12x = 129,151.34 × 53,308.81
  4. Step 4: Simplify right side
    93,571.12x = 6,884,904,245.31
  5. Step 5: Solve for x
    x = 6,884,904,245.31/93,571.12
  6. Step 6: Final answer
    x = 73,579.37

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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.