Home / 47,000.73-64,859.90-25,779.81

Finding the Fourth Proportional to 47,000.73, 64,859.90 and 25,779.81

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Solution

The fourth proportional to 47,000.73, 64,859.90 and 25,779.81 is: 35,575.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,000.73 : 64,859.90 = 25,779.81 : x
  2. Step 2: Convert to fraction form
    47,000.73/64,859.90 = 25,779.81/x
  3. Step 3: Cross multiply
    47,000.73x = 64,859.90 × 25,779.81
  4. Step 4: Simplify right side
    47,000.73x = 1,672,075,769.72
  5. Step 5: Solve for x
    x = 1,672,075,769.72/47,000.73
  6. Step 6: Final answer
    x = 35,575.53

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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.