Home / 70,880.31-97,828.99-40,686.04

Finding the Fourth Proportional to 70,880.31, 97,828.99 and 40,686.04

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Solution

The fourth proportional to 70,880.31, 97,828.99 and 40,686.04 is: 56,154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,880.31 : 97,828.99 = 40,686.04 : x
  2. Step 2: Convert to fraction form
    70,880.31/97,828.99 = 40,686.04/x
  3. Step 3: Cross multiply
    70,880.31x = 97,828.99 × 40,686.04
  4. Step 4: Simplify right side
    70,880.31x = 3,980,274,200.30
  5. Step 5: Solve for x
    x = 3,980,274,200.30/70,880.31
  6. Step 6: Final answer
    x = 56,154.86

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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.