Home / 93,777.26-129,401.16-74,705.60

Finding the Fourth Proportional to 93,777.26, 129,401.16 and 74,705.60

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Solution

The fourth proportional to 93,777.26, 129,401.16 and 74,705.60 is: 103,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,777.26 : 129,401.16 = 74,705.60 : x
  2. Step 2: Convert to fraction form
    93,777.26/129,401.16 = 74,705.60/x
  3. Step 3: Cross multiply
    93,777.26x = 129,401.16 × 74,705.60
  4. Step 4: Simplify right side
    93,777.26x = 9,666,991,298.50
  5. Step 5: Solve for x
    x = 9,666,991,298.50/93,777.26
  6. Step 6: Final answer
    x = 103,084.60

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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.