Home / 93,700.20-129,309.36-51,257.76

Finding the Fourth Proportional to 93,700.20, 129,309.36 and 51,257.76

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Solution

The fourth proportional to 93,700.20, 129,309.36 and 51,257.76 is: 70,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,700.20 : 129,309.36 = 51,257.76 : x
  2. Step 2: Convert to fraction form
    93,700.20/129,309.36 = 51,257.76/x
  3. Step 3: Cross multiply
    93,700.20x = 129,309.36 × 51,257.76
  4. Step 4: Simplify right side
    93,700.20x = 6,628,108,140.63
  5. Step 5: Solve for x
    x = 6,628,108,140.63/93,700.20
  6. Step 6: Final answer
    x = 70,737.40

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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.