Home / 73,784.13-101,907.09-53,730.69

Finding the Fourth Proportional to 73,784.13, 101,907.09 and 53,730.69

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Solution

The fourth proportional to 73,784.13, 101,907.09 and 53,730.69 is: 74,210.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,784.13 : 101,907.09 = 53,730.69 : x
  2. Step 2: Convert to fraction form
    73,784.13/101,907.09 = 53,730.69/x
  3. Step 3: Cross multiply
    73,784.13x = 101,907.09 × 53,730.69
  4. Step 4: Simplify right side
    73,784.13x = 5,475,538,261.59
  5. Step 5: Solve for x
    x = 5,475,538,261.59/73,784.13
  6. Step 6: Final answer
    x = 74,210.24

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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.