Home / 70,760.85-97,646.45-38,928.93

Finding the Fourth Proportional to 70,760.85, 97,646.45 and 38,928.93

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Solution

The fourth proportional to 70,760.85, 97,646.45 and 38,928.93 is: 53,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,760.85 : 97,646.45 = 38,928.93 : x
  2. Step 2: Convert to fraction form
    70,760.85/97,646.45 = 38,928.93/x
  3. Step 3: Cross multiply
    70,760.85x = 97,646.45 × 38,928.93
  4. Step 4: Simplify right side
    70,760.85x = 3,801,271,622.15
  5. Step 5: Solve for x
    x = 3,801,271,622.15/70,760.85
  6. Step 6: Final answer
    x = 53,719.98

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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.