Home / 94,045.57-129,782.87-53,760.20

Finding the Fourth Proportional to 94,045.57, 129,782.87 and 53,760.20

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Solution

The fourth proportional to 94,045.57, 129,782.87 and 53,760.20 is: 74,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,045.57 : 129,782.87 = 53,760.20 : x
  2. Step 2: Convert to fraction form
    94,045.57/129,782.87 = 53,760.20/x
  3. Step 3: Cross multiply
    94,045.57x = 129,782.87 × 53,760.20
  4. Step 4: Simplify right side
    94,045.57x = 6,977,152,818.35
  5. Step 5: Solve for x
    x = 6,977,152,818.35/94,045.57
  6. Step 6: Final answer
    x = 74,189.06

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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.