Home / 111,400.52-153,730.61-63,001.60

Finding the Fourth Proportional to 111,400.52, 153,730.61 and 63,001.60

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Solution

The fourth proportional to 111,400.52, 153,730.61 and 63,001.60 is: 86,941.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,400.52 : 153,730.61 = 63,001.60 : x
  2. Step 2: Convert to fraction form
    111,400.52/153,730.61 = 63,001.60/x
  3. Step 3: Cross multiply
    111,400.52x = 153,730.61 × 63,001.60
  4. Step 4: Simplify right side
    111,400.52x = 9,685,273,935.90
  5. Step 5: Solve for x
    x = 9,685,273,935.90/111,400.52
  6. Step 6: Final answer
    x = 86,941.02

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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.