Home / 90,564.34-124,979.26-56,592.58

Finding the Fourth Proportional to 90,564.34, 124,979.26 and 56,592.58

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Solution

The fourth proportional to 90,564.34, 124,979.26 and 56,592.58 is: 78,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,564.34 : 124,979.26 = 56,592.58 : x
  2. Step 2: Convert to fraction form
    90,564.34/124,979.26 = 56,592.58/x
  3. Step 3: Cross multiply
    90,564.34x = 124,979.26 × 56,592.58
  4. Step 4: Simplify right side
    90,564.34x = 7,072,898,769.89
  5. Step 5: Solve for x
    x = 7,072,898,769.89/90,564.34
  6. Step 6: Final answer
    x = 78,098.05

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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.