Home / 65,212.20-97,559.10-56,543.40

Finding the Fourth Proportional to 65,212.20, 97,559.10 and 56,543.40

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Solution

The fourth proportional to 65,212.20, 97,559.10 and 56,543.40 is: 84,590.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,212.20 : 97,559.10 = 56,543.40 : x
  2. Step 2: Convert to fraction form
    65,212.20/97,559.10 = 56,543.40/x
  3. Step 3: Cross multiply
    65,212.20x = 97,559.10 × 56,543.40
  4. Step 4: Simplify right side
    65,212.20x = 5,516,323,214.94
  5. Step 5: Solve for x
    x = 5,516,323,214.94/65,212.20
  6. Step 6: Final answer
    x = 84,590.36

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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.