Home / 101,559.34-140,150.16-56,236.34

Finding the Fourth Proportional to 101,559.34, 140,150.16 and 56,236.34

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Solution

The fourth proportional to 101,559.34, 140,150.16 and 56,236.34 is: 77,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,559.34 : 140,150.16 = 56,236.34 : x
  2. Step 2: Convert to fraction form
    101,559.34/140,150.16 = 56,236.34/x
  3. Step 3: Cross multiply
    101,559.34x = 140,150.16 × 56,236.34
  4. Step 4: Simplify right side
    101,559.34x = 7,881,532,048.81
  5. Step 5: Solve for x
    x = 7,881,532,048.81/101,559.34
  6. Step 6: Final answer
    x = 77,605.19

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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.