Home / 89,020.08-133,405.56-51,570.18

Finding the Fourth Proportional to 89,020.08, 133,405.56 and 51,570.18

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Solution

The fourth proportional to 89,020.08, 133,405.56 and 51,570.18 is: 77,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,020.08 : 133,405.56 = 51,570.18 : x
  2. Step 2: Convert to fraction form
    89,020.08/133,405.56 = 51,570.18/x
  3. Step 3: Cross multiply
    89,020.08x = 133,405.56 × 51,570.18
  4. Step 4: Simplify right side
    89,020.08x = 6,879,748,742.20
  5. Step 5: Solve for x
    x = 6,879,748,742.20/89,020.08
  6. Step 6: Final answer
    x = 77,283.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.