Home / 45,765.72-63,124.12-42,001.04

Finding the Fourth Proportional to 45,765.72, 63,124.12 and 42,001.04

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Solution

The fourth proportional to 45,765.72, 63,124.12 and 42,001.04 is: 57,931.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,765.72 : 63,124.12 = 42,001.04 : x
  2. Step 2: Convert to fraction form
    45,765.72/63,124.12 = 42,001.04/x
  3. Step 3: Cross multiply
    45,765.72x = 63,124.12 × 42,001.04
  4. Step 4: Simplify right side
    45,765.72x = 2,651,278,689.08
  5. Step 5: Solve for x
    x = 2,651,278,689.08/45,765.72
  6. Step 6: Final answer
    x = 57,931.54

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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.