Home / 93,156.09-128,533.55-52,860.75

Finding the Fourth Proportional to 93,156.09, 128,533.55 and 52,860.75

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Solution

The fourth proportional to 93,156.09, 128,533.55 and 52,860.75 is: 72,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,156.09 : 128,533.55 = 52,860.75 : x
  2. Step 2: Convert to fraction form
    93,156.09/128,533.55 = 52,860.75/x
  3. Step 3: Cross multiply
    93,156.09x = 128,533.55 × 52,860.75
  4. Step 4: Simplify right side
    93,156.09x = 6,794,379,588.86
  5. Step 5: Solve for x
    x = 6,794,379,588.86/93,156.09
  6. Step 6: Final answer
    x = 72,935.43

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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.