Home / 99,065.02-136,709.64-53,743.00

Finding the Fourth Proportional to 99,065.02, 136,709.64 and 53,743.00

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Solution

The fourth proportional to 99,065.02, 136,709.64 and 53,743.00 is: 74,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,065.02 : 136,709.64 = 53,743.00 : x
  2. Step 2: Convert to fraction form
    99,065.02/136,709.64 = 53,743.00/x
  3. Step 3: Cross multiply
    99,065.02x = 136,709.64 × 53,743.00
  4. Step 4: Simplify right side
    99,065.02x = 7,347,185,966.47
  5. Step 5: Solve for x
    x = 7,347,185,966.47/99,065.02
  6. Step 6: Final answer
    x = 74,165.29

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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.