Home / 88,082.70-121,533.04-50,347.50

Finding the Fourth Proportional to 88,082.70, 121,533.04 and 50,347.50

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Solution

The fourth proportional to 88,082.70, 121,533.04 and 50,347.50 is: 69,467.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,082.70 : 121,533.04 = 50,347.50 : x
  2. Step 2: Convert to fraction form
    88,082.70/121,533.04 = 50,347.50/x
  3. Step 3: Cross multiply
    88,082.70x = 121,533.04 × 50,347.50
  4. Step 4: Simplify right side
    88,082.70x = 6,118,884,731.40
  5. Step 5: Solve for x
    x = 6,118,884,731.40/88,082.70
  6. Step 6: Final answer
    x = 69,467.50

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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.