Home / 93,828.32-129,478.48-51,387.04

Finding the Fourth Proportional to 93,828.32, 129,478.48 and 51,387.04

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Solution

The fourth proportional to 93,828.32, 129,478.48 and 51,387.04 is: 70,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,828.32 : 129,478.48 = 51,387.04 : x
  2. Step 2: Convert to fraction form
    93,828.32/129,478.48 = 51,387.04/x
  3. Step 3: Cross multiply
    93,828.32x = 129,478.48 × 51,387.04
  4. Step 4: Simplify right side
    93,828.32x = 6,653,515,830.90
  5. Step 5: Solve for x
    x = 6,653,515,830.90/93,828.32
  6. Step 6: Final answer
    x = 70,911.60

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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.