Home / 86,865.07-130,127.91-59,842.64

Finding the Fourth Proportional to 86,865.07, 130,127.91 and 59,842.64

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Solution

The fourth proportional to 86,865.07, 130,127.91 and 59,842.64 is: 89,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,865.07 : 130,127.91 = 59,842.64 : x
  2. Step 2: Convert to fraction form
    86,865.07/130,127.91 = 59,842.64/x
  3. Step 3: Cross multiply
    86,865.07x = 130,127.91 × 59,842.64
  4. Step 4: Simplify right side
    86,865.07x = 7,787,197,672.08
  5. Step 5: Solve for x
    x = 7,787,197,672.08/86,865.07
  6. Step 6: Final answer
    x = 89,647.05

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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.