Home / 42,775.02-64,168.07-16,487.28

Finding the Fourth Proportional to 42,775.02, 64,168.07 and 16,487.28

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Solution

The fourth proportional to 42,775.02, 64,168.07 and 16,487.28 is: 24,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,775.02 : 64,168.07 = 16,487.28 : x
  2. Step 2: Convert to fraction form
    42,775.02/64,168.07 = 16,487.28/x
  3. Step 3: Cross multiply
    42,775.02x = 64,168.07 × 16,487.28
  4. Step 4: Simplify right side
    42,775.02x = 1,057,956,854.71
  5. Step 5: Solve for x
    x = 1,057,956,854.71/42,775.02
  6. Step 6: Final answer
    x = 24,733.05

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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.