Home / 97,101.47-145,666.58-49,743.36

Finding the Fourth Proportional to 97,101.47, 145,666.58 and 49,743.36

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Solution

The fourth proportional to 97,101.47, 145,666.58 and 49,743.36 is: 74,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,101.47 : 145,666.58 = 49,743.36 : x
  2. Step 2: Convert to fraction form
    97,101.47/145,666.58 = 49,743.36/x
  3. Step 3: Cross multiply
    97,101.47x = 145,666.58 × 49,743.36
  4. Step 4: Simplify right side
    97,101.47x = 7,245,944,880.19
  5. Step 5: Solve for x
    x = 7,245,944,880.19/97,101.47
  6. Step 6: Final answer
    x = 74,622.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.