Home / 62,938.08-86,465.88-56,311.38

Finding the Fourth Proportional to 62,938.08, 86,465.88 and 56,311.38

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Solution

The fourth proportional to 62,938.08, 86,465.88 and 56,311.38 is: 77,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,938.08 : 86,465.88 = 56,311.38 : x
  2. Step 2: Convert to fraction form
    62,938.08/86,465.88 = 56,311.38/x
  3. Step 3: Cross multiply
    62,938.08x = 86,465.88 × 56,311.38
  4. Step 4: Simplify right side
    62,938.08x = 4,869,013,025.71
  5. Step 5: Solve for x
    x = 4,869,013,025.71/62,938.08
  6. Step 6: Final answer
    x = 77,361.96

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.