Home / 86,607.78-119,516.46-48,881.76

Finding the Fourth Proportional to 86,607.78, 119,516.46 and 48,881.76

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Solution

The fourth proportional to 86,607.78, 119,516.46 and 48,881.76 is: 67,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,607.78 : 119,516.46 = 48,881.76 : x
  2. Step 2: Convert to fraction form
    86,607.78/119,516.46 = 48,881.76/x
  3. Step 3: Cross multiply
    86,607.78x = 119,516.46 × 48,881.76
  4. Step 4: Simplify right side
    86,607.78x = 5,842,174,913.77
  5. Step 5: Solve for x
    x = 5,842,174,913.77/86,607.78
  6. Step 6: Final answer
    x = 67,455.54

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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.