Home / 98,523.13-135,965.16-53,811.13

Finding the Fourth Proportional to 98,523.13, 135,965.16 and 53,811.13

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Solution

The fourth proportional to 98,523.13, 135,965.16 and 53,811.13 is: 74,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,523.13 : 135,965.16 = 53,811.13 : x
  2. Step 2: Convert to fraction form
    98,523.13/135,965.16 = 53,811.13/x
  3. Step 3: Cross multiply
    98,523.13x = 135,965.16 × 53,811.13
  4. Step 4: Simplify right side
    98,523.13x = 7,316,438,900.23
  5. Step 5: Solve for x
    x = 7,316,438,900.23/98,523.13
  6. Step 6: Final answer
    x = 74,261.13

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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.