Home / 84,715.83-116,985.60-54,554.13

Finding the Fourth Proportional to 84,715.83, 116,985.60 and 54,554.13

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Solution

The fourth proportional to 84,715.83, 116,985.60 and 54,554.13 is: 75,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,715.83 : 116,985.60 = 54,554.13 : x
  2. Step 2: Convert to fraction form
    84,715.83/116,985.60 = 54,554.13/x
  3. Step 3: Cross multiply
    84,715.83x = 116,985.60 × 54,554.13
  4. Step 4: Simplify right side
    84,715.83x = 6,382,047,630.53
  5. Step 5: Solve for x
    x = 6,382,047,630.53/84,715.83
  6. Step 6: Final answer
    x = 75,334.77

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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.