Home / 84,152.55-116,140.79-48,342.48

Finding the Fourth Proportional to 84,152.55, 116,140.79 and 48,342.48

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Solution

The fourth proportional to 84,152.55, 116,140.79 and 48,342.48 is: 66,718.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,152.55 : 116,140.79 = 48,342.48 : x
  2. Step 2: Convert to fraction form
    84,152.55/116,140.79 = 48,342.48/x
  3. Step 3: Cross multiply
    84,152.55x = 116,140.79 × 48,342.48
  4. Step 4: Simplify right side
    84,152.55x = 5,614,533,503.09
  5. Step 5: Solve for x
    x = 5,614,533,503.09/84,152.55
  6. Step 6: Final answer
    x = 66,718.52

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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.