Home / 62,678.48-86,492.28-34,378.16

Finding the Fourth Proportional to 62,678.48, 86,492.28 and 34,378.16

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Solution

The fourth proportional to 62,678.48, 86,492.28 and 34,378.16 is: 47,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,678.48 : 86,492.28 = 34,378.16 : x
  2. Step 2: Convert to fraction form
    62,678.48/86,492.28 = 34,378.16/x
  3. Step 3: Cross multiply
    62,678.48x = 86,492.28 × 34,378.16
  4. Step 4: Simplify right side
    62,678.48x = 2,973,445,440.60
  5. Step 5: Solve for x
    x = 2,973,445,440.60/62,678.48
  6. Step 6: Final answer
    x = 47,439.65

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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.