Home / 84,894.04-117,154.47-53,081.38

Finding the Fourth Proportional to 84,894.04, 117,154.47 and 53,081.38

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Solution

The fourth proportional to 84,894.04, 117,154.47 and 53,081.38 is: 73,252.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,894.04 : 117,154.47 = 53,081.38 : x
  2. Step 2: Convert to fraction form
    84,894.04/117,154.47 = 53,081.38/x
  3. Step 3: Cross multiply
    84,894.04x = 117,154.47 × 53,081.38
  4. Step 4: Simplify right side
    84,894.04x = 6,218,720,940.77
  5. Step 5: Solve for x
    x = 6,218,720,940.77/84,894.04
  6. Step 6: Final answer
    x = 73,252.74

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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.