Home / 56,075.10-77,382.65-30,581.66

Finding the Fourth Proportional to 56,075.10, 77,382.65 and 30,581.66

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Solution

The fourth proportional to 56,075.10, 77,382.65 and 30,581.66 is: 42,202.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,075.10 : 77,382.65 = 30,581.66 : x
  2. Step 2: Convert to fraction form
    56,075.10/77,382.65 = 30,581.66/x
  3. Step 3: Cross multiply
    56,075.10x = 77,382.65 × 30,581.66
  4. Step 4: Simplify right side
    56,075.10x = 2,366,489,352.38
  5. Step 5: Solve for x
    x = 2,366,489,352.38/56,075.10
  6. Step 6: Final answer
    x = 42,202.14

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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.