Home / 84,145.83-116,121.66-46,420.08

Finding the Fourth Proportional to 84,145.83, 116,121.66 and 46,420.08

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Solution

The fourth proportional to 84,145.83, 116,121.66 and 46,420.08 is: 64,059.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,145.83 : 116,121.66 = 46,420.08 : x
  2. Step 2: Convert to fraction form
    84,145.83/116,121.66 = 46,420.08/x
  3. Step 3: Cross multiply
    84,145.83x = 116,121.66 × 46,420.08
  4. Step 4: Simplify right side
    84,145.83x = 5,390,376,746.93
  5. Step 5: Solve for x
    x = 5,390,376,746.93/84,145.83
  6. Step 6: Final answer
    x = 64,059.94

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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.