Home / 97,407.17-134,420.51-54,387.35

Finding the Fourth Proportional to 97,407.17, 134,420.51 and 54,387.35

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Solution

The fourth proportional to 97,407.17, 134,420.51 and 54,387.35 is: 75,053.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,407.17 : 134,420.51 = 54,387.35 : x
  2. Step 2: Convert to fraction form
    97,407.17/134,420.51 = 54,387.35/x
  3. Step 3: Cross multiply
    97,407.17x = 134,420.51 × 54,387.35
  4. Step 4: Simplify right side
    97,407.17x = 7,310,775,292.49
  5. Step 5: Solve for x
    x = 7,310,775,292.49/97,407.17
  6. Step 6: Final answer
    x = 75,053.77

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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.