Home / 98,052-135,266.81-57,746.46

Finding the Fourth Proportional to 98,052, 135,266.81 and 57,746.46

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Solution

The fourth proportional to 98,052, 135,266.81 and 57,746.46 is: 79,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,052 : 135,266.81 = 57,746.46 : x
  2. Step 2: Convert to fraction form
    98,052/135,266.81 = 57,746.46/x
  3. Step 3: Cross multiply
    98,052x = 135,266.81 × 57,746.46
  4. Step 4: Simplify right side
    98,052x = 7,811,179,432.99
  5. Step 5: Solve for x
    x = 7,811,179,432.99/98,052
  6. Step 6: Final answer
    x = 79,663.64

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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.