Home / 84,685.51-116,857.58-48,887.06

Finding the Fourth Proportional to 84,685.51, 116,857.58 and 48,887.06

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Solution

The fourth proportional to 84,685.51, 116,857.58 and 48,887.06 is: 67,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,685.51 : 116,857.58 = 48,887.06 : x
  2. Step 2: Convert to fraction form
    84,685.51/116,857.58 = 48,887.06/x
  3. Step 3: Cross multiply
    84,685.51x = 116,857.58 × 48,887.06
  4. Step 4: Simplify right side
    84,685.51x = 5,712,823,524.91
  5. Step 5: Solve for x
    x = 5,712,823,524.91/84,685.51
  6. Step 6: Final answer
    x = 67,459.28

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1.5x scale

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.