Home / 70,760.18-97,648.90-38,929.00

Finding the Fourth Proportional to 70,760.18, 97,648.90 and 38,929.00

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Solution

The fourth proportional to 70,760.18, 97,648.90 and 38,929.00 is: 53,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,760.18 : 97,648.90 = 38,929.00 : x
  2. Step 2: Convert to fraction form
    70,760.18/97,648.90 = 38,929.00/x
  3. Step 3: Cross multiply
    70,760.18x = 97,648.90 × 38,929.00
  4. Step 4: Simplify right side
    70,760.18x = 3,801,373,699.02
  5. Step 5: Solve for x
    x = 3,801,373,699.02/70,760.18
  6. Step 6: Final answer
    x = 53,721.94

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1.5x scale

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.