Home / 101,426.11-139,957.25-56,096.89

Finding the Fourth Proportional to 101,426.11, 139,957.25 and 56,096.89

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Solution

The fourth proportional to 101,426.11, 139,957.25 and 56,096.89 is: 77,407.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,426.11 : 139,957.25 = 56,096.89 : x
  2. Step 2: Convert to fraction form
    101,426.11/139,957.25 = 56,096.89/x
  3. Step 3: Cross multiply
    101,426.11x = 139,957.25 × 56,096.89
  4. Step 4: Simplify right side
    101,426.11x = 7,851,166,457.95
  5. Step 5: Solve for x
    x = 7,851,166,457.95/101,426.11
  6. Step 6: Final answer
    x = 77,407.74

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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.