Home / 93,455.06-128,963.10-51,005.36

Finding the Fourth Proportional to 93,455.06, 128,963.10 and 51,005.36

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Solution

The fourth proportional to 93,455.06, 128,963.10 and 51,005.36 is: 70,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,455.06 : 128,963.10 = 51,005.36 : x
  2. Step 2: Convert to fraction form
    93,455.06/128,963.10 = 51,005.36/x
  3. Step 3: Cross multiply
    93,455.06x = 128,963.10 × 51,005.36
  4. Step 4: Simplify right side
    93,455.06x = 6,577,809,342.22
  5. Step 5: Solve for x
    x = 6,577,809,342.22/93,455.06
  6. Step 6: Final answer
    x = 70,384.73

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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.