Home / 93,157.35-128,557.63-50,716.19

Finding the Fourth Proportional to 93,157.35, 128,557.63 and 50,716.19

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Solution

The fourth proportional to 93,157.35, 128,557.63 and 50,716.19 is: 69,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,157.35 : 128,557.63 = 50,716.19 : x
  2. Step 2: Convert to fraction form
    93,157.35/128,557.63 = 50,716.19/x
  3. Step 3: Cross multiply
    93,157.35x = 128,557.63 × 50,716.19
  4. Step 4: Simplify right side
    93,157.35x = 6,519,953,189.03
  5. Step 5: Solve for x
    x = 6,519,953,189.03/93,157.35
  6. Step 6: Final answer
    x = 69,988.61

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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.