Home / 84,285.50-116,317.53-48,475.55

Finding the Fourth Proportional to 84,285.50, 116,317.53 and 48,475.55

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Solution

The fourth proportional to 84,285.50, 116,317.53 and 48,475.55 is: 66,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,285.50 : 116,317.53 = 48,475.55 : x
  2. Step 2: Convert to fraction form
    84,285.50/116,317.53 = 48,475.55/x
  3. Step 3: Cross multiply
    84,285.50x = 116,317.53 × 48,475.55
  4. Step 4: Simplify right side
    84,285.50x = 5,638,556,532.19
  5. Step 5: Solve for x
    x = 5,638,556,532.19/84,285.50
  6. Step 6: Final answer
    x = 66,898.30

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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.