Home / 98,457.76-135,869.97-56,015.38

Finding the Fourth Proportional to 98,457.76, 135,869.97 and 56,015.38

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Solution

The fourth proportional to 98,457.76, 135,869.97 and 56,015.38 is: 77,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,457.76 : 135,869.97 = 56,015.38 : x
  2. Step 2: Convert to fraction form
    98,457.76/135,869.97 = 56,015.38/x
  3. Step 3: Cross multiply
    98,457.76x = 135,869.97 × 56,015.38
  4. Step 4: Simplify right side
    98,457.76x = 7,610,808,000.14
  5. Step 5: Solve for x
    x = 7,610,808,000.14/98,457.76
  6. Step 6: Final answer
    x = 77,300.24

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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.