Home / 52,276.32-72,141.40-28,402.99

Finding the Fourth Proportional to 52,276.32, 72,141.40 and 28,402.99

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Solution

The fourth proportional to 52,276.32, 72,141.40 and 28,402.99 is: 39,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,276.32 : 72,141.40 = 28,402.99 : x
  2. Step 2: Convert to fraction form
    52,276.32/72,141.40 = 28,402.99/x
  3. Step 3: Cross multiply
    52,276.32x = 72,141.40 × 28,402.99
  4. Step 4: Simplify right side
    52,276.32x = 2,049,031,102.08
  5. Step 5: Solve for x
    x = 2,049,031,102.08/52,276.32
  6. Step 6: Final answer
    x = 39,196.16

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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.