Home / 97,848.86-135,031.41-55,407.38

Finding the Fourth Proportional to 97,848.86, 135,031.41 and 55,407.38

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Solution

The fourth proportional to 97,848.86, 135,031.41 and 55,407.38 is: 76,462.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,848.86 : 135,031.41 = 55,407.38 : x
  2. Step 2: Convert to fraction form
    97,848.86/135,031.41 = 55,407.38/x
  3. Step 3: Cross multiply
    97,848.86x = 135,031.41 × 55,407.38
  4. Step 4: Simplify right side
    97,848.86x = 7,481,735,970.65
  5. Step 5: Solve for x
    x = 7,481,735,970.65/97,848.86
  6. Step 6: Final answer
    x = 76,462.17

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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.