Home / 56,605.40-84,875.30-19,153.03

Finding the Fourth Proportional to 56,605.40, 84,875.30 and 19,153.03

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Solution

The fourth proportional to 56,605.40, 84,875.30 and 19,153.03 is: 28,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,605.40 : 84,875.30 = 19,153.03 : x
  2. Step 2: Convert to fraction form
    56,605.40/84,875.30 = 19,153.03/x
  3. Step 3: Cross multiply
    56,605.40x = 84,875.30 × 19,153.03
  4. Step 4: Simplify right side
    56,605.40x = 1,625,618,931.03
  5. Step 5: Solve for x
    x = 1,625,618,931.03/56,605.40
  6. Step 6: Final answer
    x = 28,718.44

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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.