Home / 86,899.16-130,493.63-58,618.32

Finding the Fourth Proportional to 86,899.16, 130,493.63 and 58,618.32

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Solution

The fourth proportional to 86,899.16, 130,493.63 and 58,618.32 is: 88,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,899.16 : 130,493.63 = 58,618.32 : x
  2. Step 2: Convert to fraction form
    86,899.16/130,493.63 = 58,618.32/x
  3. Step 3: Cross multiply
    86,899.16x = 130,493.63 × 58,618.32
  4. Step 4: Simplify right side
    86,899.16x = 7,649,317,018.50
  5. Step 5: Solve for x
    x = 7,649,317,018.50/86,899.16
  6. Step 6: Final answer
    x = 88,025.21

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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.