Home / 97,913.61-135,128.25-54,897.04

Finding the Fourth Proportional to 97,913.61, 135,128.25 and 54,897.04

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Solution

The fourth proportional to 97,913.61, 135,128.25 and 54,897.04 is: 75,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,913.61 : 135,128.25 = 54,897.04 : x
  2. Step 2: Convert to fraction form
    97,913.61/135,128.25 = 54,897.04/x
  3. Step 3: Cross multiply
    97,913.61x = 135,128.25 × 54,897.04
  4. Step 4: Simplify right side
    97,913.61x = 7,418,141,114.29
  5. Step 5: Solve for x
    x = 7,418,141,114.29/97,913.61
  6. Step 6: Final answer
    x = 75,762.10

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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.