Home / 99,528.41-137,344.91-54,206.48

Finding the Fourth Proportional to 99,528.41, 137,344.91 and 54,206.48

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Solution

The fourth proportional to 99,528.41, 137,344.91 and 54,206.48 is: 74,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,528.41 : 137,344.91 = 54,206.48 : x
  2. Step 2: Convert to fraction form
    99,528.41/137,344.91 = 54,206.48/x
  3. Step 3: Cross multiply
    99,528.41x = 137,344.91 × 54,206.48
  4. Step 4: Simplify right side
    99,528.41x = 7,444,984,117.02
  5. Step 5: Solve for x
    x = 7,444,984,117.02/99,528.41
  6. Step 6: Final answer
    x = 74,802.60

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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.