Home / 103,541.11-142,885.15-58,219.13

Finding the Fourth Proportional to 103,541.11, 142,885.15 and 58,219.13

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Solution

The fourth proportional to 103,541.11, 142,885.15 and 58,219.13 is: 80,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,541.11 : 142,885.15 = 58,219.13 : x
  2. Step 2: Convert to fraction form
    103,541.11/142,885.15 = 58,219.13/x
  3. Step 3: Cross multiply
    103,541.11x = 142,885.15 × 58,219.13
  4. Step 4: Simplify right side
    103,541.11x = 8,318,649,334.58
  5. Step 5: Solve for x
    x = 8,318,649,334.58/103,541.11
  6. Step 6: Final answer
    x = 80,341.51

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1.5x scale

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.