Home / 88,325.51-121,889.78-48,039.57

Finding the Fourth Proportional to 88,325.51, 121,889.78 and 48,039.57

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Solution

The fourth proportional to 88,325.51, 121,889.78 and 48,039.57 is: 66,294.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,325.51 : 121,889.78 = 48,039.57 : x
  2. Step 2: Convert to fraction form
    88,325.51/121,889.78 = 48,039.57/x
  3. Step 3: Cross multiply
    88,325.51x = 121,889.78 × 48,039.57
  4. Step 4: Simplify right side
    88,325.51x = 5,855,532,378.40
  5. Step 5: Solve for x
    x = 5,855,532,378.40/88,325.51
  6. Step 6: Final answer
    x = 66,294.92

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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.