Home / 93,022.32-128,370.52-56,723.79

Finding the Fourth Proportional to 93,022.32, 128,370.52 and 56,723.79

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Solution

The fourth proportional to 93,022.32, 128,370.52 and 56,723.79 is: 78,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,022.32 : 128,370.52 = 56,723.79 : x
  2. Step 2: Convert to fraction form
    93,022.32/128,370.52 = 56,723.79/x
  3. Step 3: Cross multiply
    93,022.32x = 128,370.52 × 56,723.79
  4. Step 4: Simplify right side
    93,022.32x = 7,281,662,970.96
  5. Step 5: Solve for x
    x = 7,281,662,970.96/93,022.32
  6. Step 6: Final answer
    x = 78,278.66

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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.