Home / 93,018.15-128,336.10-52,717.20

Finding the Fourth Proportional to 93,018.15, 128,336.10 and 52,717.20

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Solution

The fourth proportional to 93,018.15, 128,336.10 and 52,717.20 is: 72,733.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,018.15 : 128,336.10 = 52,717.20 : x
  2. Step 2: Convert to fraction form
    93,018.15/128,336.10 = 52,717.20/x
  3. Step 3: Cross multiply
    93,018.15x = 128,336.10 × 52,717.20
  4. Step 4: Simplify right side
    93,018.15x = 6,765,519,850.92
  5. Step 5: Solve for x
    x = 6,765,519,850.92/93,018.15
  6. Step 6: Final answer
    x = 72,733.33

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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.