Home / 93,713.37-129,345.21-64,682.51

Finding the Fourth Proportional to 93,713.37, 129,345.21 and 64,682.51

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Solution

The fourth proportional to 93,713.37, 129,345.21 and 64,682.51 is: 89,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,713.37 : 129,345.21 = 64,682.51 : x
  2. Step 2: Convert to fraction form
    93,713.37/129,345.21 = 64,682.51/x
  3. Step 3: Cross multiply
    93,713.37x = 129,345.21 × 64,682.51
  4. Step 4: Simplify right side
    93,713.37x = 8,366,372,192.55
  5. Step 5: Solve for x
    x = 8,366,372,192.55/93,713.37
  6. Step 6: Final answer
    x = 89,276.19

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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.