Home / 97,701.12-134,903.97-75,004.20

Finding the Fourth Proportional to 97,701.12, 134,903.97 and 75,004.20

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Solution

The fourth proportional to 97,701.12, 134,903.97 and 75,004.20 is: 103,564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,701.12 : 134,903.97 = 75,004.20 : x
  2. Step 2: Convert to fraction form
    97,701.12/134,903.97 = 75,004.20/x
  3. Step 3: Cross multiply
    97,701.12x = 134,903.97 × 75,004.20
  4. Step 4: Simplify right side
    97,701.12x = 10,118,364,346.67
  5. Step 5: Solve for x
    x = 10,118,364,346.67/97,701.12
  6. Step 6: Final answer
    x = 103,564.47

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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.