Home / 98,117.53-135,403.61-55,106.33

Finding the Fourth Proportional to 98,117.53, 135,403.61 and 55,106.33

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Solution

The fourth proportional to 98,117.53, 135,403.61 and 55,106.33 is: 76,047.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,117.53 : 135,403.61 = 55,106.33 : x
  2. Step 2: Convert to fraction form
    98,117.53/135,403.61 = 55,106.33/x
  3. Step 3: Cross multiply
    98,117.53x = 135,403.61 × 55,106.33
  4. Step 4: Simplify right side
    98,117.53x = 7,461,596,015.85
  5. Step 5: Solve for x
    x = 7,461,596,015.85/98,117.53
  6. Step 6: Final answer
    x = 76,047.53

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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.