Home / 93,873.16-129,546.30-56,140.12

Finding the Fourth Proportional to 93,873.16, 129,546.30 and 56,140.12

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Solution

The fourth proportional to 93,873.16, 129,546.30 and 56,140.12 is: 77,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,873.16 : 129,546.30 = 56,140.12 : x
  2. Step 2: Convert to fraction form
    93,873.16/129,546.30 = 56,140.12/x
  3. Step 3: Cross multiply
    93,873.16x = 129,546.30 × 56,140.12
  4. Step 4: Simplify right side
    93,873.16x = 7,272,744,827.56
  5. Step 5: Solve for x
    x = 7,272,744,827.56/93,873.16
  6. Step 6: Final answer
    x = 77,474.17

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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.