Home / 56,718.79-85,082.10-19,263.58

Finding the Fourth Proportional to 56,718.79, 85,082.10 and 19,263.58

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Solution

The fourth proportional to 56,718.79, 85,082.10 and 19,263.58 is: 28,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,718.79 : 85,082.10 = 19,263.58 : x
  2. Step 2: Convert to fraction form
    56,718.79/85,082.10 = 19,263.58/x
  3. Step 3: Cross multiply
    56,718.79x = 85,082.10 × 19,263.58
  4. Step 4: Simplify right side
    56,718.79x = 1,638,985,839.92
  5. Step 5: Solve for x
    x = 1,638,985,839.92/56,718.79
  6. Step 6: Final answer
    x = 28,896.70

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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.