Home / 101,571.02-140,168.40-56,248.01

Finding the Fourth Proportional to 101,571.02, 140,168.40 and 56,248.01

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Solution

The fourth proportional to 101,571.02, 140,168.40 and 56,248.01 is: 77,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,571.02 : 140,168.40 = 56,248.01 : x
  2. Step 2: Convert to fraction form
    101,571.02/140,168.40 = 56,248.01/x
  3. Step 3: Cross multiply
    101,571.02x = 140,168.40 × 56,248.01
  4. Step 4: Simplify right side
    101,571.02x = 7,884,193,564.88
  5. Step 5: Solve for x
    x = 7,884,193,564.88/101,571.02
  6. Step 6: Final answer
    x = 77,622.47

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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.