Home / 93,784.32-129,431.16-56,057.76

Finding the Fourth Proportional to 93,784.32, 129,431.16 and 56,057.76

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Solution

The fourth proportional to 93,784.32, 129,431.16 and 56,057.76 is: 77,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,784.32 : 129,431.16 = 56,057.76 : x
  2. Step 2: Convert to fraction form
    93,784.32/129,431.16 = 56,057.76/x
  3. Step 3: Cross multiply
    93,784.32x = 129,431.16 × 56,057.76
  4. Step 4: Simplify right side
    93,784.32x = 7,255,620,903.80
  5. Step 5: Solve for x
    x = 7,255,620,903.80/93,784.32
  6. Step 6: Final answer
    x = 77,364.97

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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.