Home / 84,792.10-117,013.55-52,979.45

Finding the Fourth Proportional to 84,792.10, 117,013.55 and 52,979.45

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Solution

The fourth proportional to 84,792.10, 117,013.55 and 52,979.45 is: 73,111.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,792.10 : 117,013.55 = 52,979.45 : x
  2. Step 2: Convert to fraction form
    84,792.10/117,013.55 = 52,979.45/x
  3. Step 3: Cross multiply
    84,792.10x = 117,013.55 × 52,979.45
  4. Step 4: Simplify right side
    84,792.10x = 6,199,313,521.55
  5. Step 5: Solve for x
    x = 6,199,313,521.55/84,792.10
  6. Step 6: Final answer
    x = 73,111.92

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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.