Home / 56,098.19-77,415.50-30,947.69

Finding the Fourth Proportional to 56,098.19, 77,415.50 and 30,947.69

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Solution

The fourth proportional to 56,098.19, 77,415.50 and 30,947.69 is: 42,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,098.19 : 77,415.50 = 30,947.69 : x
  2. Step 2: Convert to fraction form
    56,098.19/77,415.50 = 30,947.69/x
  3. Step 3: Cross multiply
    56,098.19x = 77,415.50 × 30,947.69
  4. Step 4: Simplify right side
    56,098.19x = 2,395,830,817.83
  5. Step 5: Solve for x
    x = 2,395,830,817.83/56,098.19
  6. Step 6: Final answer
    x = 42,707.81

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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.