Home / 93,156.18-128,640.94-59,175.60

Finding the Fourth Proportional to 93,156.18, 128,640.94 and 59,175.60

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Solution

The fourth proportional to 93,156.18, 128,640.94 and 59,175.60 is: 81,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,156.18 : 128,640.94 = 59,175.60 : x
  2. Step 2: Convert to fraction form
    93,156.18/128,640.94 = 59,175.60/x
  3. Step 3: Cross multiply
    93,156.18x = 128,640.94 × 59,175.60
  4. Step 4: Simplify right side
    93,156.18x = 7,612,404,809.06
  5. Step 5: Solve for x
    x = 7,612,404,809.06/93,156.18
  6. Step 6: Final answer
    x = 81,716.58

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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.