Home / 98,541.76-135,986.16-56,099.92

Finding the Fourth Proportional to 98,541.76, 135,986.16 and 56,099.92

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Solution

The fourth proportional to 98,541.76, 135,986.16 and 56,099.92 is: 77,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,541.76 : 135,986.16 = 56,099.92 : x
  2. Step 2: Convert to fraction form
    98,541.76/135,986.16 = 56,099.92/x
  3. Step 3: Cross multiply
    98,541.76x = 135,986.16 × 56,099.92
  4. Step 4: Simplify right side
    98,541.76x = 7,628,812,697.11
  5. Step 5: Solve for x
    x = 7,628,812,697.11/98,541.76
  6. Step 6: Final answer
    x = 77,417.05

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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.