Home / 111,078.10-153,287.08-60,090.63

Finding the Fourth Proportional to 111,078.10, 153,287.08 and 60,090.63

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Solution

The fourth proportional to 111,078.10, 153,287.08 and 60,090.63 is: 82,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,078.10 : 153,287.08 = 60,090.63 : x
  2. Step 2: Convert to fraction form
    111,078.10/153,287.08 = 60,090.63/x
  3. Step 3: Cross multiply
    111,078.10x = 153,287.08 × 60,090.63
  4. Step 4: Simplify right side
    111,078.10x = 9,211,117,208.06
  5. Step 5: Solve for x
    x = 9,211,117,208.06/111,078.10
  6. Step 6: Final answer
    x = 82,924.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.