Home / 52,276.18-72,141.90-28,403.32

Finding the Fourth Proportional to 52,276.18, 72,141.90 and 28,403.32

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Solution

The fourth proportional to 52,276.18, 72,141.90 and 28,403.32 is: 39,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,276.18 : 72,141.90 = 28,403.32 : x
  2. Step 2: Convert to fraction form
    52,276.18/72,141.90 = 28,403.32/x
  3. Step 3: Cross multiply
    52,276.18x = 72,141.90 × 28,403.32
  4. Step 4: Simplify right side
    52,276.18x = 2,049,069,471.11
  5. Step 5: Solve for x
    x = 2,049,069,471.11/52,276.18
  6. Step 6: Final answer
    x = 39,197.00

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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.