Home / 88,075.75-121,544.58-50,350.81

Finding the Fourth Proportional to 88,075.75, 121,544.58 and 50,350.81

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Solution

The fourth proportional to 88,075.75, 121,544.58 and 50,350.81 is: 69,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,075.75 : 121,544.58 = 50,350.81 : x
  2. Step 2: Convert to fraction form
    88,075.75/121,544.58 = 50,350.81/x
  3. Step 3: Cross multiply
    88,075.75x = 121,544.58 × 50,350.81
  4. Step 4: Simplify right side
    88,075.75x = 6,119,868,054.11
  5. Step 5: Solve for x
    x = 6,119,868,054.11/88,075.75
  6. Step 6: Final answer
    x = 69,484.14

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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.