Home / 93,011.74-128,361.45-50,569.36

Finding the Fourth Proportional to 93,011.74, 128,361.45 and 50,569.36

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Solution

The fourth proportional to 93,011.74, 128,361.45 and 50,569.36 is: 69,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,011.74 : 128,361.45 = 50,569.36 : x
  2. Step 2: Convert to fraction form
    93,011.74/128,361.45 = 50,569.36/x
  3. Step 3: Cross multiply
    93,011.74x = 128,361.45 × 50,569.36
  4. Step 4: Simplify right side
    93,011.74x = 6,491,156,375.17
  5. Step 5: Solve for x
    x = 6,491,156,375.17/93,011.74
  6. Step 6: Final answer
    x = 69,788.57

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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.