Home / 101,624.06-140,094.96-71,315.48

Finding the Fourth Proportional to 101,624.06, 140,094.96 and 71,315.48

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Solution

The fourth proportional to 101,624.06, 140,094.96 and 71,315.48 is: 98,312.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,624.06 : 140,094.96 = 71,315.48 : x
  2. Step 2: Convert to fraction form
    101,624.06/140,094.96 = 71,315.48/x
  3. Step 3: Cross multiply
    101,624.06x = 140,094.96 × 71,315.48
  4. Step 4: Simplify right side
    101,624.06x = 9,990,939,317.98
  5. Step 5: Solve for x
    x = 9,990,939,317.98/101,624.06
  6. Step 6: Final answer
    x = 98,312.74

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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.