Home / 42,829.65-64,254.20-23,107.77

Finding the Fourth Proportional to 42,829.65, 64,254.20 and 23,107.77

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Solution

The fourth proportional to 42,829.65, 64,254.20 and 23,107.77 is: 34,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,829.65 : 64,254.20 = 23,107.77 : x
  2. Step 2: Convert to fraction form
    42,829.65/64,254.20 = 23,107.77/x
  3. Step 3: Cross multiply
    42,829.65x = 64,254.20 × 23,107.77
  4. Step 4: Simplify right side
    42,829.65x = 1,484,771,159.60
  5. Step 5: Solve for x
    x = 1,484,771,159.60/42,829.65
  6. Step 6: Final answer
    x = 34,666.90

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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.