Home / 56,296.05-77,693.81-31,153.65

Finding the Fourth Proportional to 56,296.05, 77,693.81 and 31,153.65

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Solution

The fourth proportional to 56,296.05, 77,693.81 and 31,153.65 is: 42,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,296.05 : 77,693.81 = 31,153.65 : x
  2. Step 2: Convert to fraction form
    56,296.05/77,693.81 = 31,153.65/x
  3. Step 3: Cross multiply
    56,296.05x = 77,693.81 × 31,153.65
  4. Step 4: Simplify right side
    56,296.05x = 2,420,445,763.91
  5. Step 5: Solve for x
    x = 2,420,445,763.91/56,296.05
  6. Step 6: Final answer
    x = 42,994.95

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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.