Home / 66,308.96-99,370.24-56,409.12

Finding the Fourth Proportional to 66,308.96, 99,370.24 and 56,409.12

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Solution

The fourth proportional to 66,308.96, 99,370.24 and 56,409.12 is: 84,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,308.96 : 99,370.24 = 56,409.12 : x
  2. Step 2: Convert to fraction form
    66,308.96/99,370.24 = 56,409.12/x
  3. Step 3: Cross multiply
    66,308.96x = 99,370.24 × 56,409.12
  4. Step 4: Simplify right side
    66,308.96x = 5,605,387,792.59
  5. Step 5: Solve for x
    x = 5,605,387,792.59/66,308.96
  6. Step 6: Final answer
    x = 84,534.39

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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.