Home / 42,898.16-64,053.82-38,426.96

Finding the Fourth Proportional to 42,898.16, 64,053.82 and 38,426.96

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Solution

The fourth proportional to 42,898.16, 64,053.82 and 38,426.96 is: 57,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,898.16 : 64,053.82 = 38,426.96 : x
  2. Step 2: Convert to fraction form
    42,898.16/64,053.82 = 38,426.96/x
  3. Step 3: Cross multiply
    42,898.16x = 64,053.82 × 38,426.96
  4. Step 4: Simplify right side
    42,898.16x = 2,461,393,578.99
  5. Step 5: Solve for x
    x = 2,461,393,578.99/42,898.16
  6. Step 6: Final answer
    x = 57,377.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.