Home / 89,987.46-124,166.44-51,738.06

Finding the Fourth Proportional to 89,987.46, 124,166.44 and 51,738.06

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Solution

The fourth proportional to 89,987.46, 124,166.44 and 51,738.06 is: 71,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,987.46 : 124,166.44 = 51,738.06 : x
  2. Step 2: Convert to fraction form
    89,987.46/124,166.44 = 51,738.06/x
  3. Step 3: Cross multiply
    89,987.46x = 124,166.44 × 51,738.06
  4. Step 4: Simplify right side
    89,987.46x = 6,424,130,722.71
  5. Step 5: Solve for x
    x = 6,424,130,722.71/89,987.46
  6. Step 6: Final answer
    x = 71,389.18

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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.