Home / 56,117.70-77,441.94-30,624.57

Finding the Fourth Proportional to 56,117.70, 77,441.94 and 30,624.57

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Solution

The fourth proportional to 56,117.70, 77,441.94 and 30,624.57 is: 42,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,117.70 : 77,441.94 = 30,624.57 : x
  2. Step 2: Convert to fraction form
    56,117.70/77,441.94 = 30,624.57/x
  3. Step 3: Cross multiply
    56,117.70x = 77,441.94 × 30,624.57
  4. Step 4: Simplify right side
    56,117.70x = 2,371,626,112.47
  5. Step 5: Solve for x
    x = 2,371,626,112.47/56,117.70
  6. Step 6: Final answer
    x = 42,261.64

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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.