Home / 94,907.12-130,960.32-52,459.76

Finding the Fourth Proportional to 94,907.12, 130,960.32 and 52,459.76

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Solution

The fourth proportional to 94,907.12, 130,960.32 and 52,459.76 is: 72,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,907.12 : 130,960.32 = 52,459.76 : x
  2. Step 2: Convert to fraction form
    94,907.12/130,960.32 = 52,459.76/x
  3. Step 3: Cross multiply
    94,907.12x = 130,960.32 × 52,459.76
  4. Step 4: Simplify right side
    94,907.12x = 6,870,146,956.72
  5. Step 5: Solve for x
    x = 6,870,146,956.72/94,907.12
  6. Step 6: Final answer
    x = 72,388.11

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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.