Home / 42,790.63-64,187.40-14,710.44

Finding the Fourth Proportional to 42,790.63, 64,187.40 and 14,710.44

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Solution

The fourth proportional to 42,790.63, 64,187.40 and 14,710.44 is: 22,066.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,790.63 : 64,187.40 = 14,710.44 : x
  2. Step 2: Convert to fraction form
    42,790.63/64,187.40 = 14,710.44/x
  3. Step 3: Cross multiply
    42,790.63x = 64,187.40 × 14,710.44
  4. Step 4: Simplify right side
    42,790.63x = 944,224,896.46
  5. Step 5: Solve for x
    x = 944,224,896.46/42,790.63
  6. Step 6: Final answer
    x = 22,066.16

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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.