Home / 93,531.84-129,072.32-51,089.28

Finding the Fourth Proportional to 93,531.84, 129,072.32 and 51,089.28

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Solution

The fourth proportional to 93,531.84, 129,072.32 and 51,089.28 is: 70,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,531.84 : 129,072.32 = 51,089.28 : x
  2. Step 2: Convert to fraction form
    93,531.84/129,072.32 = 51,089.28/x
  3. Step 3: Cross multiply
    93,531.84x = 129,072.32 × 51,089.28
  4. Step 4: Simplify right side
    93,531.84x = 6,594,211,896.73
  5. Step 5: Solve for x
    x = 6,594,211,896.73/93,531.84
  6. Step 6: Final answer
    x = 70,502.32

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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.