Home / 102,401.91-141,312.27-59,389.11

Finding the Fourth Proportional to 102,401.91, 141,312.27 and 59,389.11

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Solution

The fourth proportional to 102,401.91, 141,312.27 and 59,389.11 is: 81,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,401.91 : 141,312.27 = 59,389.11 : x
  2. Step 2: Convert to fraction form
    102,401.91/141,312.27 = 59,389.11/x
  3. Step 3: Cross multiply
    102,401.91x = 141,312.27 × 59,389.11
  4. Step 4: Simplify right side
    102,401.91x = 8,392,409,947.38
  5. Step 5: Solve for x
    x = 8,392,409,947.38/102,401.91
  6. Step 6: Final answer
    x = 81,955.60

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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.