Home / 86,668.12-130,017.54-32,631.64

Finding the Fourth Proportional to 86,668.12, 130,017.54 and 32,631.64

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Solution

The fourth proportional to 86,668.12, 130,017.54 and 32,631.64 is: 48,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,668.12 : 130,017.54 = 32,631.64 : x
  2. Step 2: Convert to fraction form
    86,668.12/130,017.54 = 32,631.64/x
  3. Step 3: Cross multiply
    86,668.12x = 130,017.54 × 32,631.64
  4. Step 4: Simplify right side
    86,668.12x = 4,242,685,558.97
  5. Step 5: Solve for x
    x = 4,242,685,558.97/86,668.12
  6. Step 6: Final answer
    x = 48,953.24

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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.