Home / 57,666.12-79,461.14-42,534.80

Finding the Fourth Proportional to 57,666.12, 79,461.14 and 42,534.80

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Solution

The fourth proportional to 57,666.12, 79,461.14 and 42,534.80 is: 58,610.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,666.12 : 79,461.14 = 42,534.80 : x
  2. Step 2: Convert to fraction form
    57,666.12/79,461.14 = 42,534.80/x
  3. Step 3: Cross multiply
    57,666.12x = 79,461.14 × 42,534.80
  4. Step 4: Simplify right side
    57,666.12x = 3,379,863,697.67
  5. Step 5: Solve for x
    x = 3,379,863,697.67/57,666.12
  6. Step 6: Final answer
    x = 58,610.91

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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.