Home / 105,800.13-158,663.28-46,603.50

Finding the Fourth Proportional to 105,800.13, 158,663.28 and 46,603.50

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Solution

The fourth proportional to 105,800.13, 158,663.28 and 46,603.50 is: 69,888.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,800.13 : 158,663.28 = 46,603.50 : x
  2. Step 2: Convert to fraction form
    105,800.13/158,663.28 = 46,603.50/x
  3. Step 3: Cross multiply
    105,800.13x = 158,663.28 × 46,603.50
  4. Step 4: Simplify right side
    105,800.13x = 7,394,264,169.48
  5. Step 5: Solve for x
    x = 7,394,264,169.48/105,800.13
  6. Step 6: Final answer
    x = 69,888.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.