Home / 86,804.16-130,205.86-36,876.60

Finding the Fourth Proportional to 86,804.16, 130,205.86 and 36,876.60

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Solution

The fourth proportional to 86,804.16, 130,205.86 and 36,876.60 is: 55,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,804.16 : 130,205.86 = 36,876.60 : x
  2. Step 2: Convert to fraction form
    86,804.16/130,205.86 = 36,876.60/x
  3. Step 3: Cross multiply
    86,804.16x = 130,205.86 × 36,876.60
  4. Step 4: Simplify right side
    86,804.16x = 4,801,549,416.88
  5. Step 5: Solve for x
    x = 4,801,549,416.88/86,804.16
  6. Step 6: Final answer
    x = 55,314.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.