Home / 86,527.12-119,461.48-66,345.21

Finding the Fourth Proportional to 86,527.12, 119,461.48 and 66,345.21

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Solution

The fourth proportional to 86,527.12, 119,461.48 and 66,345.21 is: 91,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,527.12 : 119,461.48 = 66,345.21 : x
  2. Step 2: Convert to fraction form
    86,527.12/119,461.48 = 66,345.21/x
  3. Step 3: Cross multiply
    86,527.12x = 119,461.48 × 66,345.21
  4. Step 4: Simplify right side
    86,527.12x = 7,925,696,811.65
  5. Step 5: Solve for x
    x = 7,925,696,811.65/86,527.12
  6. Step 6: Final answer
    x = 91,597.84

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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.