Home / 93,385.53-128,883.10-53,105.35

Finding the Fourth Proportional to 93,385.53, 128,883.10 and 53,105.35

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Solution

The fourth proportional to 93,385.53, 128,883.10 and 53,105.35 is: 73,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,385.53 : 128,883.10 = 53,105.35 : x
  2. Step 2: Convert to fraction form
    93,385.53/128,883.10 = 53,105.35/x
  3. Step 3: Cross multiply
    93,385.53x = 128,883.10 × 53,105.35
  4. Step 4: Simplify right side
    93,385.53x = 6,844,382,134.59
  5. Step 5: Solve for x
    x = 6,844,382,134.59/93,385.53
  6. Step 6: Final answer
    x = 73,291.68

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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.