Home / 93,148.36-128,544.08-50,706.78

Finding the Fourth Proportional to 93,148.36, 128,544.08 and 50,706.78

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Solution

The fourth proportional to 93,148.36, 128,544.08 and 50,706.78 is: 69,975.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,148.36 : 128,544.08 = 50,706.78 : x
  2. Step 2: Convert to fraction form
    93,148.36/128,544.08 = 50,706.78/x
  3. Step 3: Cross multiply
    93,148.36x = 128,544.08 × 50,706.78
  4. Step 4: Simplify right side
    93,148.36x = 6,518,056,384.86
  5. Step 5: Solve for x
    x = 6,518,056,384.86/93,148.36
  6. Step 6: Final answer
    x = 69,975.00

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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.