Home / 56,509.17-77,983.24-31,017.23

Finding the Fourth Proportional to 56,509.17, 77,983.24 and 31,017.23

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Solution

The fourth proportional to 56,509.17, 77,983.24 and 31,017.23 is: 42,804.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,509.17 : 77,983.24 = 31,017.23 : x
  2. Step 2: Convert to fraction form
    56,509.17/77,983.24 = 31,017.23/x
  3. Step 3: Cross multiply
    56,509.17x = 77,983.24 × 31,017.23
  4. Step 4: Simplify right side
    56,509.17x = 2,418,823,701.31
  5. Step 5: Solve for x
    x = 2,418,823,701.31/56,509.17
  6. Step 6: Final answer
    x = 42,804.09

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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.