Home / 62,121.48-85,708.98-56,133.96

Finding the Fourth Proportional to 62,121.48, 85,708.98 and 56,133.96

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Solution

The fourth proportional to 62,121.48, 85,708.98 and 56,133.96 is: 77,448.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,121.48 : 85,708.98 = 56,133.96 : x
  2. Step 2: Convert to fraction form
    62,121.48/85,708.98 = 56,133.96/x
  3. Step 3: Cross multiply
    62,121.48x = 85,708.98 × 56,133.96
  4. Step 4: Simplify right side
    62,121.48x = 4,811,184,454.96
  5. Step 5: Solve for x
    x = 4,811,184,454.96/62,121.48
  6. Step 6: Final answer
    x = 77,448.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.