Home / 42,677.12-64,010.88-16,363.40

Finding the Fourth Proportional to 42,677.12, 64,010.88 and 16,363.40

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Solution

The fourth proportional to 42,677.12, 64,010.88 and 16,363.40 is: 24,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,677.12 : 64,010.88 = 16,363.40 : x
  2. Step 2: Convert to fraction form
    42,677.12/64,010.88 = 16,363.40/x
  3. Step 3: Cross multiply
    42,677.12x = 64,010.88 × 16,363.40
  4. Step 4: Simplify right side
    42,677.12x = 1,047,435,313.74
  5. Step 5: Solve for x
    x = 1,047,435,313.74/42,677.12
  6. Step 6: Final answer
    x = 24,543.25

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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.