Home / 84,638.76-116,805.28-48,343.36

Finding the Fourth Proportional to 84,638.76, 116,805.28 and 48,343.36

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Solution

The fourth proportional to 84,638.76, 116,805.28 and 48,343.36 is: 66,716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,638.76 : 116,805.28 = 48,343.36 : x
  2. Step 2: Convert to fraction form
    84,638.76/116,805.28 = 48,343.36/x
  3. Step 3: Cross multiply
    84,638.76x = 116,805.28 × 48,343.36
  4. Step 4: Simplify right side
    84,638.76x = 5,646,759,700.94
  5. Step 5: Solve for x
    x = 5,646,759,700.94/84,638.76
  6. Step 6: Final answer
    x = 66,716.00

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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.