Home / 86,148.06-129,224.51-23,818.56

Finding the Fourth Proportional to 86,148.06, 129,224.51 and 23,818.56

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Solution

The fourth proportional to 86,148.06, 129,224.51 and 23,818.56 is: 35,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,148.06 : 129,224.51 = 23,818.56 : x
  2. Step 2: Convert to fraction form
    86,148.06/129,224.51 = 23,818.56/x
  3. Step 3: Cross multiply
    86,148.06x = 129,224.51 × 23,818.56
  4. Step 4: Simplify right side
    86,148.06x = 3,077,941,744.91
  5. Step 5: Solve for x
    x = 3,077,941,744.91/86,148.06
  6. Step 6: Final answer
    x = 35,728.51

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1.5x scale

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.