Home / 93,109.42-128,493.30-50,670.28

Finding the Fourth Proportional to 93,109.42, 128,493.30 and 50,670.28

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Solution

The fourth proportional to 93,109.42, 128,493.30 and 50,670.28 is: 69,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,109.42 : 128,493.30 = 50,670.28 : x
  2. Step 2: Convert to fraction form
    93,109.42/128,493.30 = 50,670.28/x
  3. Step 3: Cross multiply
    93,109.42x = 128,493.30 × 50,670.28
  4. Step 4: Simplify right side
    93,109.42x = 6,510,791,489.12
  5. Step 5: Solve for x
    x = 6,510,791,489.12/93,109.42
  6. Step 6: Final answer
    x = 69,926.24

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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.