Home / 93,170.51-128,574.86-52,328.96

Finding the Fourth Proportional to 93,170.51, 128,574.86 and 52,328.96

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Solution

The fourth proportional to 93,170.51, 128,574.86 and 52,328.96 is: 72,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,170.51 : 128,574.86 = 52,328.96 : x
  2. Step 2: Convert to fraction form
    93,170.51/128,574.86 = 52,328.96/x
  3. Step 3: Cross multiply
    93,170.51x = 128,574.86 × 52,328.96
  4. Step 4: Simplify right side
    93,170.51x = 6,728,188,705.95
  5. Step 5: Solve for x
    x = 6,728,188,705.95/93,170.51
  6. Step 6: Final answer
    x = 72,213.72

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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.