Home / 83,803.12-115,648.74-46,079.80

Finding the Fourth Proportional to 83,803.12, 115,648.74 and 46,079.80

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Solution

The fourth proportional to 83,803.12, 115,648.74 and 46,079.80 is: 63,590.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,803.12 : 115,648.74 = 46,079.80 : x
  2. Step 2: Convert to fraction form
    83,803.12/115,648.74 = 46,079.80/x
  3. Step 3: Cross multiply
    83,803.12x = 115,648.74 × 46,079.80
  4. Step 4: Simplify right side
    83,803.12x = 5,329,070,809.45
  5. Step 5: Solve for x
    x = 5,329,070,809.45/83,803.12
  6. Step 6: Final answer
    x = 63,590.36

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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.