Home / 70,565.10-97,381.38-40,353.18

Finding the Fourth Proportional to 70,565.10, 97,381.38 and 40,353.18

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Solution

The fourth proportional to 70,565.10, 97,381.38 and 40,353.18 is: 55,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,565.10 : 97,381.38 = 40,353.18 : x
  2. Step 2: Convert to fraction form
    70,565.10/97,381.38 = 40,353.18/x
  3. Step 3: Cross multiply
    70,565.10x = 97,381.38 × 40,353.18
  4. Step 4: Simplify right side
    70,565.10x = 3,929,648,355.79
  5. Step 5: Solve for x
    x = 3,929,648,355.79/70,565.10
  6. Step 6: Final answer
    x = 55,688.27

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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.