Home / 99,527.41-137,343.53-54,205.48

Finding the Fourth Proportional to 99,527.41, 137,343.53 and 54,205.48

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Solution

The fourth proportional to 99,527.41, 137,343.53 and 54,205.48 is: 74,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,527.41 : 137,343.53 = 54,205.48 : x
  2. Step 2: Convert to fraction form
    99,527.41/137,343.53 = 54,205.48/x
  3. Step 3: Cross multiply
    99,527.41x = 137,343.53 × 54,205.48
  4. Step 4: Simplify right side
    99,527.41x = 7,444,772,275.74
  5. Step 5: Solve for x
    x = 7,444,772,275.74/99,527.41
  6. Step 6: Final answer
    x = 74,801.22

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1.5x scale

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.