Home / 86,908.10-130,411.48-46,926.56

Finding the Fourth Proportional to 86,908.10, 130,411.48 and 46,926.56

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Solution

The fourth proportional to 86,908.10, 130,411.48 and 46,926.56 is: 70,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,908.10 : 130,411.48 = 46,926.56 : x
  2. Step 2: Convert to fraction form
    86,908.10/130,411.48 = 46,926.56/x
  3. Step 3: Cross multiply
    86,908.10x = 130,411.48 × 46,926.56
  4. Step 4: Simplify right side
    86,908.10x = 6,119,762,140.91
  5. Step 5: Solve for x
    x = 6,119,762,140.91/86,908.10
  6. Step 6: Final answer
    x = 70,416.48

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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.