Home / 77,585.76-116,427.24-35,459.28

Finding the Fourth Proportional to 77,585.76, 116,427.24 and 35,459.28

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Solution

The fourth proportional to 77,585.76, 116,427.24 and 35,459.28 is: 53,211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,585.76 : 116,427.24 = 35,459.28 : x
  2. Step 2: Convert to fraction form
    77,585.76/116,427.24 = 35,459.28/x
  3. Step 3: Cross multiply
    77,585.76x = 116,427.24 × 35,459.28
  4. Step 4: Simplify right side
    77,585.76x = 4,128,426,102.79
  5. Step 5: Solve for x
    x = 4,128,426,102.79/77,585.76
  6. Step 6: Final answer
    x = 53,211.13

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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.