Home / 83,798.16-115,643.74-45,560.28

Finding the Fourth Proportional to 83,798.16, 115,643.74 and 45,560.28

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Solution

The fourth proportional to 83,798.16, 115,643.74 and 45,560.28 is: 62,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,798.16 : 115,643.74 = 45,560.28 : x
  2. Step 2: Convert to fraction form
    83,798.16/115,643.74 = 45,560.28/x
  3. Step 3: Cross multiply
    83,798.16x = 115,643.74 × 45,560.28
  4. Step 4: Simplify right side
    83,798.16x = 5,268,760,482.53
  5. Step 5: Solve for x
    x = 5,268,760,482.53/83,798.16
  6. Step 6: Final answer
    x = 62,874.42

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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.