Home / 83,809.12-115,657.02-46,085.80

Finding the Fourth Proportional to 83,809.12, 115,657.02 and 46,085.80

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Solution

The fourth proportional to 83,809.12, 115,657.02 and 46,085.80 is: 63,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,809.12 : 115,657.02 = 46,085.80 : x
  2. Step 2: Convert to fraction form
    83,809.12/115,657.02 = 46,085.80/x
  3. Step 3: Cross multiply
    83,809.12x = 115,657.02 × 46,085.80
  4. Step 4: Simplify right side
    83,809.12x = 5,330,146,292.32
  5. Step 5: Solve for x
    x = 5,330,146,292.32/83,809.12
  6. Step 6: Final answer
    x = 63,598.64

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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.