Home / 71,324.07-98,430.29-39,492.95

Finding the Fourth Proportional to 71,324.07, 98,430.29 and 39,492.95

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Solution

The fourth proportional to 71,324.07, 98,430.29 and 39,492.95 is: 54,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,324.07 : 98,430.29 = 39,492.95 : x
  2. Step 2: Convert to fraction form
    71,324.07/98,430.29 = 39,492.95/x
  3. Step 3: Cross multiply
    71,324.07x = 98,430.29 × 39,492.95
  4. Step 4: Simplify right side
    71,324.07x = 3,887,301,831.84
  5. Step 5: Solve for x
    x = 3,887,301,831.84/71,324.07
  6. Step 6: Final answer
    x = 54,501.96

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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.