Home / 76,151.76-105,127.56-47,873.04

Finding the Fourth Proportional to 76,151.76, 105,127.56 and 47,873.04

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Solution

The fourth proportional to 76,151.76, 105,127.56 and 47,873.04 is: 66,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,151.76 : 105,127.56 = 47,873.04 : x
  2. Step 2: Convert to fraction form
    76,151.76/105,127.56 = 47,873.04/x
  3. Step 3: Cross multiply
    76,151.76x = 105,127.56 × 47,873.04
  4. Step 4: Simplify right side
    76,151.76x = 5,032,775,884.98
  5. Step 5: Solve for x
    x = 5,032,775,884.98/76,151.76
  6. Step 6: Final answer
    x = 66,088.77

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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.