Home / 86,920.03-130,214.53-49,505.93

Finding the Fourth Proportional to 86,920.03, 130,214.53 and 49,505.93

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Solution

The fourth proportional to 86,920.03, 130,214.53 and 49,505.93 is: 74,164.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920.03 : 130,214.53 = 49,505.93 : x
  2. Step 2: Convert to fraction form
    86,920.03/130,214.53 = 49,505.93/x
  3. Step 3: Cross multiply
    86,920.03x = 130,214.53 × 49,505.93
  4. Step 4: Simplify right side
    86,920.03x = 6,446,391,407.16
  5. Step 5: Solve for x
    x = 6,446,391,407.16/86,920.03
  6. Step 6: Final answer
    x = 74,164.62

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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.