Home / 52,558.02-72,530.29-28,685.20

Finding the Fourth Proportional to 52,558.02, 72,530.29 and 28,685.20

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Solution

The fourth proportional to 52,558.02, 72,530.29 and 28,685.20 is: 39,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,558.02 : 72,530.29 = 28,685.20 : x
  2. Step 2: Convert to fraction form
    52,558.02/72,530.29 = 28,685.20/x
  3. Step 3: Cross multiply
    52,558.02x = 72,530.29 × 28,685.20
  4. Step 4: Simplify right side
    52,558.02x = 2,080,545,874.71
  5. Step 5: Solve for x
    x = 2,080,545,874.71/52,558.02
  6. Step 6: Final answer
    x = 39,585.70

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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.