Home / 75,666.72-104,327.55-47,323.20

Finding the Fourth Proportional to 75,666.72, 104,327.55 and 47,323.20

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Solution

The fourth proportional to 75,666.72, 104,327.55 and 47,323.20 is: 65,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,666.72 : 104,327.55 = 47,323.20 : x
  2. Step 2: Convert to fraction form
    75,666.72/104,327.55 = 47,323.20/x
  3. Step 3: Cross multiply
    75,666.72x = 104,327.55 × 47,323.20
  4. Step 4: Simplify right side
    75,666.72x = 4,937,113,514.16
  5. Step 5: Solve for x
    x = 4,937,113,514.16/75,666.72
  6. Step 6: Final answer
    x = 65,248.15

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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.