Home / 83,725.08-115,547.04-47,926.32

Finding the Fourth Proportional to 83,725.08, 115,547.04 and 47,926.32

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Solution

The fourth proportional to 83,725.08, 115,547.04 and 47,926.32 is: 66,142.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,725.08 : 115,547.04 = 47,926.32 : x
  2. Step 2: Convert to fraction form
    83,725.08/115,547.04 = 47,926.32/x
  3. Step 3: Cross multiply
    83,725.08x = 115,547.04 × 47,926.32
  4. Step 4: Simplify right side
    83,725.08x = 5,537,744,414.09
  5. Step 5: Solve for x
    x = 5,537,744,414.09/83,725.08
  6. Step 6: Final answer
    x = 66,142.00

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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.