Home / 80,627.68-111,316.02-51,957.46

Finding the Fourth Proportional to 80,627.68, 111,316.02 and 51,957.46

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Solution

The fourth proportional to 80,627.68, 111,316.02 and 51,957.46 is: 71,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,627.68 : 111,316.02 = 51,957.46 : x
  2. Step 2: Convert to fraction form
    80,627.68/111,316.02 = 51,957.46/x
  3. Step 3: Cross multiply
    80,627.68x = 111,316.02 × 51,957.46
  4. Step 4: Simplify right side
    80,627.68x = 5,783,697,656.51
  5. Step 5: Solve for x
    x = 5,783,697,656.51/80,627.68
  6. Step 6: Final answer
    x = 71,733.40

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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.