Home / 93,033.61-128,415.17-69,192.58

Finding the Fourth Proportional to 93,033.61, 128,415.17 and 69,192.58

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Solution

The fourth proportional to 93,033.61, 128,415.17 and 69,192.58 is: 95,507.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,033.61 : 128,415.17 = 69,192.58 : x
  2. Step 2: Convert to fraction form
    93,033.61/128,415.17 = 69,192.58/x
  3. Step 3: Cross multiply
    93,033.61x = 128,415.17 × 69,192.58
  4. Step 4: Simplify right side
    93,033.61x = 8,885,377,016.16
  5. Step 5: Solve for x
    x = 8,885,377,016.16/93,033.61
  6. Step 6: Final answer
    x = 95,507.17

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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.