Home / 112,904.93-155,801.81-62,603.93

Finding the Fourth Proportional to 112,904.93, 155,801.81 and 62,603.93

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Solution

The fourth proportional to 112,904.93, 155,801.81 and 62,603.93 is: 86,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,904.93 : 155,801.81 = 62,603.93 : x
  2. Step 2: Convert to fraction form
    112,904.93/155,801.81 = 62,603.93/x
  3. Step 3: Cross multiply
    112,904.93x = 155,801.81 × 62,603.93
  4. Step 4: Simplify right side
    112,904.93x = 9,753,805,294.09
  5. Step 5: Solve for x
    x = 9,753,805,294.09/112,904.93
  6. Step 6: Final answer
    x = 86,389.54

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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.