Home / 56,263.83-77,640.95-30,765.13

Finding the Fourth Proportional to 56,263.83, 77,640.95 and 30,765.13

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Solution

The fourth proportional to 56,263.83, 77,640.95 and 30,765.13 is: 42,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,263.83 : 77,640.95 = 30,765.13 : x
  2. Step 2: Convert to fraction form
    56,263.83/77,640.95 = 30,765.13/x
  3. Step 3: Cross multiply
    56,263.83x = 77,640.95 × 30,765.13
  4. Step 4: Simplify right side
    56,263.83x = 2,388,634,066.56
  5. Step 5: Solve for x
    x = 2,388,634,066.56/56,263.83
  6. Step 6: Final answer
    x = 42,454.17

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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.