Home / 93,346.21-128,815-53,064.37

Finding the Fourth Proportional to 93,346.21, 128,815 and 53,064.37

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Solution

The fourth proportional to 93,346.21, 128,815 and 53,064.37 is: 73,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,346.21 : 128,815 = 53,064.37 : x
  2. Step 2: Convert to fraction form
    93,346.21/128,815 = 53,064.37/x
  3. Step 3: Cross multiply
    93,346.21x = 128,815 × 53,064.37
  4. Step 4: Simplify right side
    93,346.21x = 6,835,486,821.55
  5. Step 5: Solve for x
    x = 6,835,486,821.55/93,346.21
  6. Step 6: Final answer
    x = 73,227.26

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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.