Home / 86,951.04-130,422.06-24,621.72

Finding the Fourth Proportional to 86,951.04, 130,422.06 and 24,621.72

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Solution

The fourth proportional to 86,951.04, 130,422.06 and 24,621.72 is: 36,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,951.04 : 130,422.06 = 24,621.72 : x
  2. Step 2: Convert to fraction form
    86,951.04/130,422.06 = 24,621.72/x
  3. Step 3: Cross multiply
    86,951.04x = 130,422.06 × 24,621.72
  4. Step 4: Simplify right side
    86,951.04x = 3,211,215,443.14
  5. Step 5: Solve for x
    x = 3,211,215,443.14/86,951.04
  6. Step 6: Final answer
    x = 36,931.31

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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.