Home / 56,159.83-77,503.73-30,668.57

Finding the Fourth Proportional to 56,159.83, 77,503.73 and 30,668.57

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Solution

The fourth proportional to 56,159.83, 77,503.73 and 30,668.57 is: 42,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,159.83 : 77,503.73 = 30,668.57 : x
  2. Step 2: Convert to fraction form
    56,159.83/77,503.73 = 30,668.57/x
  3. Step 3: Cross multiply
    56,159.83x = 77,503.73 × 30,668.57
  4. Step 4: Simplify right side
    56,159.83x = 2,376,928,491.05
  5. Step 5: Solve for x
    x = 2,376,928,491.05/56,159.83
  6. Step 6: Final answer
    x = 42,324.35

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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.