Home / 54,903.04-75,770.08-31,031.92

Finding the Fourth Proportional to 54,903.04, 75,770.08 and 31,031.92

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Solution

The fourth proportional to 54,903.04, 75,770.08 and 31,031.92 is: 42,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,903.04 : 75,770.08 = 31,031.92 : x
  2. Step 2: Convert to fraction form
    54,903.04/75,770.08 = 31,031.92/x
  3. Step 3: Cross multiply
    54,903.04x = 75,770.08 × 31,031.92
  4. Step 4: Simplify right side
    54,903.04x = 2,351,291,060.95
  5. Step 5: Solve for x
    x = 2,351,291,060.95/54,903.04
  6. Step 6: Final answer
    x = 42,826.25

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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.