Home / 98,089.02-135,358.74-55,655.46

Finding the Fourth Proportional to 98,089.02, 135,358.74 and 55,655.46

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Solution

The fourth proportional to 98,089.02, 135,358.74 and 55,655.46 is: 76,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,089.02 : 135,358.74 = 55,655.46 : x
  2. Step 2: Convert to fraction form
    98,089.02/135,358.74 = 55,655.46/x
  3. Step 3: Cross multiply
    98,089.02x = 135,358.74 × 55,655.46
  4. Step 4: Simplify right side
    98,089.02x = 7,533,452,939.72
  5. Step 5: Solve for x
    x = 7,533,452,939.72/98,089.02
  6. Step 6: Final answer
    x = 76,802.20

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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.