Home / 101,742.36-140,409.90-59,298.36

Finding the Fourth Proportional to 101,742.36, 140,409.90 and 59,298.36

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Solution

The fourth proportional to 101,742.36, 140,409.90 and 59,298.36 is: 81,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,742.36 : 140,409.90 = 59,298.36 : x
  2. Step 2: Convert to fraction form
    101,742.36/140,409.90 = 59,298.36/x
  3. Step 3: Cross multiply
    101,742.36x = 140,409.90 × 59,298.36
  4. Step 4: Simplify right side
    101,742.36x = 8,326,076,797.76
  5. Step 5: Solve for x
    x = 8,326,076,797.76/101,742.36
  6. Step 6: Final answer
    x = 81,834.91

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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.