Home / 71,000.10-97,984.89-40,795.20

Finding the Fourth Proportional to 71,000.10, 97,984.89 and 40,795.20

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Solution

The fourth proportional to 71,000.10, 97,984.89 and 40,795.20 is: 56,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,000.10 : 97,984.89 = 40,795.20 : x
  2. Step 2: Convert to fraction form
    71,000.10/97,984.89 = 40,795.20/x
  3. Step 3: Cross multiply
    71,000.10x = 97,984.89 × 40,795.20
  4. Step 4: Simplify right side
    71,000.10x = 3,997,313,184.53
  5. Step 5: Solve for x
    x = 3,997,313,184.53/71,000.10
  6. Step 6: Final answer
    x = 56,300.11

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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.