Home / 52,415.77-72,335.06-28,543.75

Finding the Fourth Proportional to 52,415.77, 72,335.06 and 28,543.75

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Solution

The fourth proportional to 52,415.77, 72,335.06 and 28,543.75 is: 39,391.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,415.77 : 72,335.06 = 28,543.75 : x
  2. Step 2: Convert to fraction form
    52,415.77/72,335.06 = 28,543.75/x
  3. Step 3: Cross multiply
    52,415.77x = 72,335.06 × 28,543.75
  4. Step 4: Simplify right side
    52,415.77x = 2,064,713,868.88
  5. Step 5: Solve for x
    x = 2,064,713,868.88/52,415.77
  6. Step 6: Final answer
    x = 39,391.08

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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.