Home / 93,880.13-129,557.61-51,441.39

Finding the Fourth Proportional to 93,880.13, 129,557.61 and 51,441.39

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Solution

The fourth proportional to 93,880.13, 129,557.61 and 51,441.39 is: 70,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,880.13 : 129,557.61 = 51,441.39 : x
  2. Step 2: Convert to fraction form
    93,880.13/129,557.61 = 51,441.39/x
  3. Step 3: Cross multiply
    93,880.13x = 129,557.61 × 51,441.39
  4. Step 4: Simplify right side
    93,880.13x = 6,664,623,543.48
  5. Step 5: Solve for x
    x = 6,664,623,543.48/93,880.13
  6. Step 6: Final answer
    x = 70,990.78

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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.