Home / 111,090.48-153,301.05-63,359.21

Finding the Fourth Proportional to 111,090.48, 153,301.05 and 63,359.21

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Solution

The fourth proportional to 111,090.48, 153,301.05 and 63,359.21 is: 87,433.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,090.48 : 153,301.05 = 63,359.21 : x
  2. Step 2: Convert to fraction form
    111,090.48/153,301.05 = 63,359.21/x
  3. Step 3: Cross multiply
    111,090.48x = 153,301.05 × 63,359.21
  4. Step 4: Simplify right side
    111,090.48x = 9,713,032,653.67
  5. Step 5: Solve for x
    x = 9,713,032,653.67/111,090.48
  6. Step 6: Final answer
    x = 87,433.53

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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.