Home / 84,654.84-127,477-62,623.68

Finding the Fourth Proportional to 84,654.84, 127,477 and 62,623.68

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Solution

The fourth proportional to 84,654.84, 127,477 and 62,623.68 is: 94,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,654.84 : 127,477 = 62,623.68 : x
  2. Step 2: Convert to fraction form
    84,654.84/127,477 = 62,623.68/x
  3. Step 3: Cross multiply
    84,654.84x = 127,477 × 62,623.68
  4. Step 4: Simplify right side
    84,654.84x = 7,983,078,855.36
  5. Step 5: Solve for x
    x = 7,983,078,855.36/84,654.84
  6. Step 6: Final answer
    x = 94,301.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.