Home / 93,455.03-128,963.43-53,165.00

Finding the Fourth Proportional to 93,455.03, 128,963.43 and 53,165.00

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Solution

The fourth proportional to 93,455.03, 128,963.43 and 53,165.00 is: 73,365.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,455.03 : 128,963.43 = 53,165.00 : x
  2. Step 2: Convert to fraction form
    93,455.03/128,963.43 = 53,165.00/x
  3. Step 3: Cross multiply
    93,455.03x = 128,963.43 × 53,165.00
  4. Step 4: Simplify right side
    93,455.03x = 6,856,340,111.13
  5. Step 5: Solve for x
    x = 6,856,340,111.13/93,455.03
  6. Step 6: Final answer
    x = 73,365.13

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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.