Home / 56,116.70-77,440.56-30,623.57

Finding the Fourth Proportional to 56,116.70, 77,440.56 and 30,623.57

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Solution

The fourth proportional to 56,116.70, 77,440.56 and 30,623.57 is: 42,260.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,116.70 : 77,440.56 = 30,623.57 : x
  2. Step 2: Convert to fraction form
    56,116.70/77,440.56 = 30,623.57/x
  3. Step 3: Cross multiply
    56,116.70x = 77,440.56 × 30,623.57
  4. Step 4: Simplify right side
    56,116.70x = 2,371,506,410.00
  5. Step 5: Solve for x
    x = 2,371,506,410.00/56,116.70
  6. Step 6: Final answer
    x = 42,260.26

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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.