Home / 86,957.15-130,454.46-26,984.45

Finding the Fourth Proportional to 86,957.15, 130,454.46 and 26,984.45

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Solution

The fourth proportional to 86,957.15, 130,454.46 and 26,984.45 is: 40,482.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,957.15 : 130,454.46 = 26,984.45 : x
  2. Step 2: Convert to fraction form
    86,957.15/130,454.46 = 26,984.45/x
  3. Step 3: Cross multiply
    86,957.15x = 130,454.46 × 26,984.45
  4. Step 4: Simplify right side
    86,957.15x = 3,520,241,853.15
  5. Step 5: Solve for x
    x = 3,520,241,853.15/86,957.15
  6. Step 6: Final answer
    x = 40,482.49

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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.