Home / 93,583.18-129,145.13-51,141.72

Finding the Fourth Proportional to 93,583.18, 129,145.13 and 51,141.72

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Solution

The fourth proportional to 93,583.18, 129,145.13 and 51,141.72 is: 70,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,583.18 : 129,145.13 = 51,141.72 : x
  2. Step 2: Convert to fraction form
    93,583.18/129,145.13 = 51,141.72/x
  3. Step 3: Cross multiply
    93,583.18x = 129,145.13 × 51,141.72
  4. Step 4: Simplify right side
    93,583.18x = 6,604,704,077.82
  5. Step 5: Solve for x
    x = 6,604,704,077.82/93,583.18
  6. Step 6: Final answer
    x = 70,575.76

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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.