Home / 81,925.47-113,055.35-45,626.67

Finding the Fourth Proportional to 81,925.47, 113,055.35 and 45,626.67

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Solution

The fourth proportional to 81,925.47, 113,055.35 and 45,626.67 is: 62,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,925.47 : 113,055.35 = 45,626.67 : x
  2. Step 2: Convert to fraction form
    81,925.47/113,055.35 = 45,626.67/x
  3. Step 3: Cross multiply
    81,925.47x = 113,055.35 × 45,626.67
  4. Step 4: Simplify right side
    81,925.47x = 5,158,338,918.05
  5. Step 5: Solve for x
    x = 5,158,338,918.05/81,925.47
  6. Step 6: Final answer
    x = 62,963.80

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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.