Home / 101,927.40-140,655.04-56,608.30

Finding the Fourth Proportional to 101,927.40, 140,655.04 and 56,608.30

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Solution

The fourth proportional to 101,927.40, 140,655.04 and 56,608.30 is: 78,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,927.40 : 140,655.04 = 56,608.30 : x
  2. Step 2: Convert to fraction form
    101,927.40/140,655.04 = 56,608.30/x
  3. Step 3: Cross multiply
    101,927.40x = 140,655.04 × 56,608.30
  4. Step 4: Simplify right side
    101,927.40x = 7,962,242,700.83
  5. Step 5: Solve for x
    x = 7,962,242,700.83/101,927.40
  6. Step 6: Final answer
    x = 78,116.80

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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.