Home / 93,787.52-129,430.04-51,346.36

Finding the Fourth Proportional to 93,787.52, 129,430.04 and 51,346.36

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Solution

The fourth proportional to 93,787.52, 129,430.04 and 51,346.36 is: 70,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,787.52 : 129,430.04 = 51,346.36 : x
  2. Step 2: Convert to fraction form
    93,787.52/129,430.04 = 51,346.36/x
  3. Step 3: Cross multiply
    93,787.52x = 129,430.04 × 51,346.36
  4. Step 4: Simplify right side
    93,787.52x = 6,645,761,428.65
  5. Step 5: Solve for x
    x = 6,645,761,428.65/93,787.52
  6. Step 6: Final answer
    x = 70,859.76

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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.