Home / 98,457.01-135,868.94-56,014.63

Finding the Fourth Proportional to 98,457.01, 135,868.94 and 56,014.63

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Solution

The fourth proportional to 98,457.01, 135,868.94 and 56,014.63 is: 77,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,457.01 : 135,868.94 = 56,014.63 : x
  2. Step 2: Convert to fraction form
    98,457.01/135,868.94 = 56,014.63/x
  3. Step 3: Cross multiply
    98,457.01x = 135,868.94 × 56,014.63
  4. Step 4: Simplify right side
    98,457.01x = 7,610,648,122.52
  5. Step 5: Solve for x
    x = 7,610,648,122.52/98,457.01
  6. Step 6: Final answer
    x = 77,299.20

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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.