Home / 86,863.07-130,124.91-59,840.64

Finding the Fourth Proportional to 86,863.07, 130,124.91 and 59,840.64

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Solution

The fourth proportional to 86,863.07, 130,124.91 and 59,840.64 is: 89,644.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,863.07 : 130,124.91 = 59,840.64 : x
  2. Step 2: Convert to fraction form
    86,863.07/130,124.91 = 59,840.64/x
  3. Step 3: Cross multiply
    86,863.07x = 130,124.91 × 59,840.64
  4. Step 4: Simplify right side
    86,863.07x = 7,786,757,894.34
  5. Step 5: Solve for x
    x = 7,786,757,894.34/86,863.07
  6. Step 6: Final answer
    x = 89,644.06

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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.