Home / 81,541.80-112,475.89-58,914.04

Finding the Fourth Proportional to 81,541.80, 112,475.89 and 58,914.04

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Solution

The fourth proportional to 81,541.80, 112,475.89 and 58,914.04 is: 81,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,541.80 : 112,475.89 = 58,914.04 : x
  2. Step 2: Convert to fraction form
    81,541.80/112,475.89 = 58,914.04/x
  3. Step 3: Cross multiply
    81,541.80x = 112,475.89 × 58,914.04
  4. Step 4: Simplify right side
    81,541.80x = 6,626,409,082.50
  5. Step 5: Solve for x
    x = 6,626,409,082.50/81,541.80
  6. Step 6: Final answer
    x = 81,263.95

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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.