Home / 88,301.37-121,901.04-68,112.93

Finding the Fourth Proportional to 88,301.37, 121,901.04 and 68,112.93

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Solution

The fourth proportional to 88,301.37, 121,901.04 and 68,112.93 is: 94,030.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,301.37 : 121,901.04 = 68,112.93 : x
  2. Step 2: Convert to fraction form
    88,301.37/121,901.04 = 68,112.93/x
  3. Step 3: Cross multiply
    88,301.37x = 121,901.04 × 68,112.93
  4. Step 4: Simplify right side
    88,301.37x = 8,303,037,004.45
  5. Step 5: Solve for x
    x = 8,303,037,004.45/88,301.37
  6. Step 6: Final answer
    x = 94,030.67

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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.