Home / 88,729.45-122,501.91-56,482.27

Finding the Fourth Proportional to 88,729.45, 122,501.91 and 56,482.27

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Solution

The fourth proportional to 88,729.45, 122,501.91 and 56,482.27 is: 77,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,729.45 : 122,501.91 = 56,482.27 : x
  2. Step 2: Convert to fraction form
    88,729.45/122,501.91 = 56,482.27/x
  3. Step 3: Cross multiply
    88,729.45x = 122,501.91 × 56,482.27
  4. Step 4: Simplify right side
    88,729.45x = 6,919,185,956.14
  5. Step 5: Solve for x
    x = 6,919,185,956.14/88,729.45
  6. Step 6: Final answer
    x = 77,980.72

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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.