Home / 86,437.04-119,305.34-56,297.48

Finding the Fourth Proportional to 86,437.04, 119,305.34 and 56,297.48

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Solution

The fourth proportional to 86,437.04, 119,305.34 and 56,297.48 is: 77,705.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,437.04 : 119,305.34 = 56,297.48 : x
  2. Step 2: Convert to fraction form
    86,437.04/119,305.34 = 56,297.48/x
  3. Step 3: Cross multiply
    86,437.04x = 119,305.34 × 56,297.48
  4. Step 4: Simplify right side
    86,437.04x = 6,716,589,992.54
  5. Step 5: Solve for x
    x = 6,716,589,992.54/86,437.04
  6. Step 6: Final answer
    x = 77,705.00

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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.