Home / 69,852.02-96,381.51-67,451.72

Finding the Fourth Proportional to 69,852.02, 96,381.51 and 67,451.72

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Solution

The fourth proportional to 69,852.02, 96,381.51 and 67,451.72 is: 93,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,852.02 : 96,381.51 = 67,451.72 : x
  2. Step 2: Convert to fraction form
    69,852.02/96,381.51 = 67,451.72/x
  3. Step 3: Cross multiply
    69,852.02x = 96,381.51 × 67,451.72
  4. Step 4: Simplify right side
    69,852.02x = 6,501,098,625.70
  5. Step 5: Solve for x
    x = 6,501,098,625.70/69,852.02
  6. Step 6: Final answer
    x = 93,069.59

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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.