Home / 83,725.02-115,538.67-45,483.57

Finding the Fourth Proportional to 83,725.02, 115,538.67 and 45,483.57

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Solution

The fourth proportional to 83,725.02, 115,538.67 and 45,483.57 is: 62,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,725.02 : 115,538.67 = 45,483.57 : x
  2. Step 2: Convert to fraction form
    83,725.02/115,538.67 = 45,483.57/x
  3. Step 3: Cross multiply
    83,725.02x = 115,538.67 × 45,483.57
  4. Step 4: Simplify right side
    83,725.02x = 5,255,111,184.65
  5. Step 5: Solve for x
    x = 5,255,111,184.65/83,725.02
  6. Step 6: Final answer
    x = 62,766.32

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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.