Home / 93,774.98-129,274.70-66,870.66

Finding the Fourth Proportional to 93,774.98, 129,274.70 and 66,870.66

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Solution

The fourth proportional to 93,774.98, 129,274.70 and 66,870.66 is: 92,185.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,774.98 : 129,274.70 = 66,870.66 : x
  2. Step 2: Convert to fraction form
    93,774.98/129,274.70 = 66,870.66/x
  3. Step 3: Cross multiply
    93,774.98x = 129,274.70 × 66,870.66
  4. Step 4: Simplify right side
    93,774.98x = 8,644,684,510.30
  5. Step 5: Solve for x
    x = 8,644,684,510.30/93,774.98
  6. Step 6: Final answer
    x = 92,185.41

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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.