Home / 100,926.02-139,277.26-55,602.96

Finding the Fourth Proportional to 100,926.02, 139,277.26 and 55,602.96

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Solution

The fourth proportional to 100,926.02, 139,277.26 and 55,602.96 is: 76,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,926.02 : 139,277.26 = 55,602.96 : x
  2. Step 2: Convert to fraction form
    100,926.02/139,277.26 = 55,602.96/x
  3. Step 3: Cross multiply
    100,926.02x = 139,277.26 × 55,602.96
  4. Step 4: Simplify right side
    100,926.02x = 7,744,227,463.90
  5. Step 5: Solve for x
    x = 7,744,227,463.90/100,926.02
  6. Step 6: Final answer
    x = 76,731.72

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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.