Home / 56,379.06-77,625.81-45,803.70

Finding the Fourth Proportional to 56,379.06, 77,625.81 and 45,803.70

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Solution

The fourth proportional to 56,379.06, 77,625.81 and 45,803.70 is: 63,065.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,379.06 : 77,625.81 = 45,803.70 : x
  2. Step 2: Convert to fraction form
    56,379.06/77,625.81 = 45,803.70/x
  3. Step 3: Cross multiply
    56,379.06x = 77,625.81 × 45,803.70
  4. Step 4: Simplify right side
    56,379.06x = 3,555,549,313.50
  5. Step 5: Solve for x
    x = 3,555,549,313.50/56,379.06
  6. Step 6: Final answer
    x = 63,065.07

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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.