Home / 66,430.17-91,699.23-48,666.27

Finding the Fourth Proportional to 66,430.17, 91,699.23 and 48,666.27

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Solution

The fourth proportional to 66,430.17, 91,699.23 and 48,666.27 is: 67,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430.17 : 91,699.23 = 48,666.27 : x
  2. Step 2: Convert to fraction form
    66,430.17/91,699.23 = 48,666.27/x
  3. Step 3: Cross multiply
    66,430.17x = 91,699.23 × 48,666.27
  4. Step 4: Simplify right side
    66,430.17x = 4,462,659,485.97
  5. Step 5: Solve for x
    x = 4,462,659,485.97/66,430.17
  6. Step 6: Final answer
    x = 67,178.20

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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.