Home / 86,746.66-130,031.35-49,227.49

Finding the Fourth Proportional to 86,746.66, 130,031.35 and 49,227.49

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Solution

The fourth proportional to 86,746.66, 130,031.35 and 49,227.49 is: 73,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,746.66 : 130,031.35 = 49,227.49 : x
  2. Step 2: Convert to fraction form
    86,746.66/130,031.35 = 49,227.49/x
  3. Step 3: Cross multiply
    86,746.66x = 130,031.35 × 49,227.49
  4. Step 4: Simplify right side
    86,746.66x = 6,401,116,981.81
  5. Step 5: Solve for x
    x = 6,401,116,981.81/86,746.66
  6. Step 6: Final answer
    x = 73,790.93

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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.