Home / 88,301.50-121,901.22-68,113.06

Finding the Fourth Proportional to 88,301.50, 121,901.22 and 68,113.06

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Solution

The fourth proportional to 88,301.50, 121,901.22 and 68,113.06 is: 94,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,301.50 : 121,901.22 = 68,113.06 : x
  2. Step 2: Convert to fraction form
    88,301.50/121,901.22 = 68,113.06/x
  3. Step 3: Cross multiply
    88,301.50x = 121,901.22 × 68,113.06
  4. Step 4: Simplify right side
    88,301.50x = 8,303,064,502.43
  5. Step 5: Solve for x
    x = 8,303,064,502.43/88,301.50
  6. Step 6: Final answer
    x = 94,030.85

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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.