Home / 66,296.69-99,445.04-54,585.30

Finding the Fourth Proportional to 66,296.69, 99,445.04 and 54,585.30

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Solution

The fourth proportional to 66,296.69, 99,445.04 and 54,585.30 is: 81,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,296.69 : 99,445.04 = 54,585.30 : x
  2. Step 2: Convert to fraction form
    66,296.69/99,445.04 = 54,585.30/x
  3. Step 3: Cross multiply
    66,296.69x = 99,445.04 × 54,585.30
  4. Step 4: Simplify right side
    66,296.69x = 5,428,237,068.99
  5. Step 5: Solve for x
    x = 5,428,237,068.99/66,296.69
  6. Step 6: Final answer
    x = 81,877.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.