Home / 52,528.74-72,490.12-28,655.52

Finding the Fourth Proportional to 52,528.74, 72,490.12 and 28,655.52

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Solution

The fourth proportional to 52,528.74, 72,490.12 and 28,655.52 is: 39,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,528.74 : 72,490.12 = 28,655.52 : x
  2. Step 2: Convert to fraction form
    52,528.74/72,490.12 = 28,655.52/x
  3. Step 3: Cross multiply
    52,528.74x = 72,490.12 × 28,655.52
  4. Step 4: Simplify right side
    52,528.74x = 2,077,242,083.46
  5. Step 5: Solve for x
    x = 2,077,242,083.46/52,528.74
  6. Step 6: Final answer
    x = 39,544.87

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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.