Home / 86,574.48-119,453.80-56,356.56

Finding the Fourth Proportional to 86,574.48, 119,453.80 and 56,356.56

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Solution

The fourth proportional to 86,574.48, 119,453.80 and 56,356.56 is: 77,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,574.48 : 119,453.80 = 56,356.56 : x
  2. Step 2: Convert to fraction form
    86,574.48/119,453.80 = 56,356.56/x
  3. Step 3: Cross multiply
    86,574.48x = 119,453.80 × 56,356.56
  4. Step 4: Simplify right side
    86,574.48x = 6,732,005,246.93
  5. Step 5: Solve for x
    x = 6,732,005,246.93/86,574.48
  6. Step 6: Final answer
    x = 77,759.70

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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.