Home / 88,289.18-121,835.12-50,048.18

Finding the Fourth Proportional to 88,289.18, 121,835.12 and 50,048.18

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Solution

The fourth proportional to 88,289.18, 121,835.12 and 50,048.18 is: 69,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,289.18 : 121,835.12 = 50,048.18 : x
  2. Step 2: Convert to fraction form
    88,289.18/121,835.12 = 50,048.18/x
  3. Step 3: Cross multiply
    88,289.18x = 121,835.12 × 50,048.18
  4. Step 4: Simplify right side
    88,289.18x = 6,097,626,016.08
  5. Step 5: Solve for x
    x = 6,097,626,016.08/88,289.18
  6. Step 6: Final answer
    x = 69,064.25

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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.