Home / 97,151.10-145,688.25-47,216.40

Finding the Fourth Proportional to 97,151.10, 145,688.25 and 47,216.40

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Solution

The fourth proportional to 97,151.10, 145,688.25 and 47,216.40 is: 70,805.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,151.10 : 145,688.25 = 47,216.40 : x
  2. Step 2: Convert to fraction form
    97,151.10/145,688.25 = 47,216.40/x
  3. Step 3: Cross multiply
    97,151.10x = 145,688.25 × 47,216.40
  4. Step 4: Simplify right side
    97,151.10x = 6,878,874,687.30
  5. Step 5: Solve for x
    x = 6,878,874,687.30/97,151.10
  6. Step 6: Final answer
    x = 70,805.94

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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.