Home / 49,964.10-74,946.15-42,090.90

Finding the Fourth Proportional to 49,964.10, 74,946.15 and 42,090.90

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Solution

The fourth proportional to 49,964.10, 74,946.15 and 42,090.90 is: 63,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,964.10 : 74,946.15 = 42,090.90 : x
  2. Step 2: Convert to fraction form
    49,964.10/74,946.15 = 42,090.90/x
  3. Step 3: Cross multiply
    49,964.10x = 74,946.15 × 42,090.90
  4. Step 4: Simplify right side
    49,964.10x = 3,154,550,905.04
  5. Step 5: Solve for x
    x = 3,154,550,905.04/49,964.10
  6. Step 6: Final answer
    x = 63,136.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.