Home / 97,896.03-135,088.13-54,289.98

Finding the Fourth Proportional to 97,896.03, 135,088.13 and 54,289.98

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Solution

The fourth proportional to 97,896.03, 135,088.13 and 54,289.98 is: 74,915.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,896.03 : 135,088.13 = 54,289.98 : x
  2. Step 2: Convert to fraction form
    97,896.03/135,088.13 = 54,289.98/x
  3. Step 3: Cross multiply
    97,896.03x = 135,088.13 × 54,289.98
  4. Step 4: Simplify right side
    97,896.03x = 7,333,931,875.94
  5. Step 5: Solve for x
    x = 7,333,931,875.94/97,896.03
  6. Step 6: Final answer
    x = 74,915.52

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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.