Home / 66,005.24-91,053.98-47,153.30

Finding the Fourth Proportional to 66,005.24, 91,053.98 and 47,153.30

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Solution

The fourth proportional to 66,005.24, 91,053.98 and 47,153.30 is: 65,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,005.24 : 91,053.98 = 47,153.30 : x
  2. Step 2: Convert to fraction form
    66,005.24/91,053.98 = 47,153.30/x
  3. Step 3: Cross multiply
    66,005.24x = 91,053.98 × 47,153.30
  4. Step 4: Simplify right side
    66,005.24x = 4,293,495,635.13
  5. Step 5: Solve for x
    x = 4,293,495,635.13/66,005.24
  6. Step 6: Final answer
    x = 65,047.80

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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.