Home / 111,215.08-153,476.94-60,913

Finding the Fourth Proportional to 111,215.08, 153,476.94 and 60,913

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Solution

The fourth proportional to 111,215.08, 153,476.94 and 60,913 is: 84,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,215.08 : 153,476.94 = 60,913 : x
  2. Step 2: Convert to fraction form
    111,215.08/153,476.94 = 60,913/x
  3. Step 3: Cross multiply
    111,215.08x = 153,476.94 × 60,913
  4. Step 4: Simplify right side
    111,215.08x = 9,348,740,846.22
  5. Step 5: Solve for x
    x = 9,348,740,846.22/111,215.08
  6. Step 6: Final answer
    x = 84,060.01

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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.