Home / 86,946.96-130,332.20-49,429.52

Finding the Fourth Proportional to 86,946.96, 130,332.20 and 49,429.52

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Solution

The fourth proportional to 86,946.96, 130,332.20 and 49,429.52 is: 74,094.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,946.96 : 130,332.20 = 49,429.52 : x
  2. Step 2: Convert to fraction form
    86,946.96/130,332.20 = 49,429.52/x
  3. Step 3: Cross multiply
    86,946.96x = 130,332.20 × 49,429.52
  4. Step 4: Simplify right side
    86,946.96x = 6,442,258,086.54
  5. Step 5: Solve for x
    x = 6,442,258,086.54/86,946.96
  6. Step 6: Final answer
    x = 74,094.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.