Home / 70,743.03-97,623.35-38,911.93

Finding the Fourth Proportional to 70,743.03, 97,623.35 and 38,911.93

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Solution

The fourth proportional to 70,743.03, 97,623.35 and 38,911.93 is: 53,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,743.03 : 97,623.35 = 38,911.93 : x
  2. Step 2: Convert to fraction form
    70,743.03/97,623.35 = 38,911.93/x
  3. Step 3: Cross multiply
    70,743.03x = 97,623.35 × 38,911.93
  4. Step 4: Simplify right side
    70,743.03x = 3,798,712,522.95
  5. Step 5: Solve for x
    x = 3,798,712,522.95/70,743.03
  6. Step 6: Final answer
    x = 53,697.34

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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.