Home / 77,623.84-116,436.48-30,888.64

Finding the Fourth Proportional to 77,623.84, 116,436.48 and 30,888.64

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Solution

The fourth proportional to 77,623.84, 116,436.48 and 30,888.64 is: 46,333.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,623.84 : 116,436.48 = 30,888.64 : x
  2. Step 2: Convert to fraction form
    77,623.84/116,436.48 = 30,888.64/x
  3. Step 3: Cross multiply
    77,623.84x = 116,436.48 × 30,888.64
  4. Step 4: Simplify right side
    77,623.84x = 3,596,564,513.59
  5. Step 5: Solve for x
    x = 3,596,564,513.59/77,623.84
  6. Step 6: Final answer
    x = 46,333.25

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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.