Home / 77,569.61-116,347.91-30,809.93

Finding the Fourth Proportional to 77,569.61, 116,347.91 and 30,809.93

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Solution

The fourth proportional to 77,569.61, 116,347.91 and 30,809.93 is: 46,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,569.61 : 116,347.91 = 30,809.93 : x
  2. Step 2: Convert to fraction form
    77,569.61/116,347.91 = 30,809.93/x
  3. Step 3: Cross multiply
    77,569.61x = 116,347.91 × 30,809.93
  4. Step 4: Simplify right side
    77,569.61x = 3,584,670,962.75
  5. Step 5: Solve for x
    x = 3,584,670,962.75/77,569.61
  6. Step 6: Final answer
    x = 46,212.31

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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.