Home / 86,728.12-119,541.60-58,037.56

Finding the Fourth Proportional to 86,728.12, 119,541.60 and 58,037.56

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Solution

The fourth proportional to 86,728.12, 119,541.60 and 58,037.56 is: 79,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,728.12 : 119,541.60 = 58,037.56 : x
  2. Step 2: Convert to fraction form
    86,728.12/119,541.60 = 58,037.56/x
  3. Step 3: Cross multiply
    86,728.12x = 119,541.60 × 58,037.56
  4. Step 4: Simplify right side
    86,728.12x = 6,937,902,782.50
  5. Step 5: Solve for x
    x = 6,937,902,782.50/86,728.12
  6. Step 6: Final answer
    x = 79,996.00

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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.