Home / 77,501.91-116,144.60-41,886.45

Finding the Fourth Proportional to 77,501.91, 116,144.60 and 41,886.45

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Solution

The fourth proportional to 77,501.91, 116,144.60 and 41,886.45 is: 62,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,501.91 : 116,144.60 = 41,886.45 : x
  2. Step 2: Convert to fraction form
    77,501.91/116,144.60 = 41,886.45/x
  3. Step 3: Cross multiply
    77,501.91x = 116,144.60 × 41,886.45
  4. Step 4: Simplify right side
    77,501.91x = 4,864,884,980.67
  5. Step 5: Solve for x
    x = 4,864,884,980.67/77,501.91
  6. Step 6: Final answer
    x = 62,771.16

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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.