Home / 93,396.12-128,890.26-53,113.56

Finding the Fourth Proportional to 93,396.12, 128,890.26 and 53,113.56

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Solution

The fourth proportional to 93,396.12, 128,890.26 and 53,113.56 is: 73,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,396.12 : 128,890.26 = 53,113.56 : x
  2. Step 2: Convert to fraction form
    93,396.12/128,890.26 = 53,113.56/x
  3. Step 3: Cross multiply
    93,396.12x = 128,890.26 × 53,113.56
  4. Step 4: Simplify right side
    93,396.12x = 6,845,820,557.93
  5. Step 5: Solve for x
    x = 6,845,820,557.93/93,396.12
  6. Step 6: Final answer
    x = 73,298.77

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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.