Home / 97,915.74-135,123.39-55,482.36

Finding the Fourth Proportional to 97,915.74, 135,123.39 and 55,482.36

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Solution

The fourth proportional to 97,915.74, 135,123.39 and 55,482.36 is: 76,565.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,915.74 : 135,123.39 = 55,482.36 : x
  2. Step 2: Convert to fraction form
    97,915.74/135,123.39 = 55,482.36/x
  3. Step 3: Cross multiply
    97,915.74x = 135,123.39 × 55,482.36
  4. Step 4: Simplify right side
    97,915.74x = 7,496,964,568.40
  5. Step 5: Solve for x
    x = 7,496,964,568.40/97,915.74
  6. Step 6: Final answer
    x = 76,565.47

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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.