Home / 97,645.48-146,477.76-45,070

Finding the Fourth Proportional to 97,645.48, 146,477.76 and 45,070

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Solution

The fourth proportional to 97,645.48, 146,477.76 and 45,070 is: 67,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,645.48 : 146,477.76 = 45,070 : x
  2. Step 2: Convert to fraction form
    97,645.48/146,477.76 = 45,070/x
  3. Step 3: Cross multiply
    97,645.48x = 146,477.76 × 45,070
  4. Step 4: Simplify right side
    97,645.48x = 6,601,752,643.20
  5. Step 5: Solve for x
    x = 6,601,752,643.20/97,645.48
  6. Step 6: Final answer
    x = 67,609.40

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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.