Home / 93,035.16-128,343.42-55,282.68

Finding the Fourth Proportional to 93,035.16, 128,343.42 and 55,282.68

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Solution

The fourth proportional to 93,035.16, 128,343.42 and 55,282.68 is: 76,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,035.16 : 128,343.42 = 55,282.68 : x
  2. Step 2: Convert to fraction form
    93,035.16/128,343.42 = 55,282.68/x
  3. Step 3: Cross multiply
    93,035.16x = 128,343.42 × 55,282.68
  4. Step 4: Simplify right side
    93,035.16x = 7,095,168,217.97
  5. Step 5: Solve for x
    x = 7,095,168,217.97/93,035.16
  6. Step 6: Final answer
    x = 76,263.30

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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.