Home / 52,869.74-72,953.51-30,210.20

Finding the Fourth Proportional to 52,869.74, 72,953.51 and 30,210.20

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Solution

The fourth proportional to 52,869.74, 72,953.51 and 30,210.20 is: 41,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,869.74 : 72,953.51 = 30,210.20 : x
  2. Step 2: Convert to fraction form
    52,869.74/72,953.51 = 30,210.20/x
  3. Step 3: Cross multiply
    52,869.74x = 72,953.51 × 30,210.20
  4. Step 4: Simplify right side
    52,869.74x = 2,203,940,058.71
  5. Step 5: Solve for x
    x = 2,203,940,058.71/52,869.74
  6. Step 6: Final answer
    x = 41,686.23

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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.