Home / 93,657.84-129,393.36-78,527.04

Finding the Fourth Proportional to 93,657.84, 129,393.36 and 78,527.04

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Solution

The fourth proportional to 93,657.84, 129,393.36 and 78,527.04 is: 108,489.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,657.84 : 129,393.36 = 78,527.04 : x
  2. Step 2: Convert to fraction form
    93,657.84/129,393.36 = 78,527.04/x
  3. Step 3: Cross multiply
    93,657.84x = 129,393.36 × 78,527.04
  4. Step 4: Simplify right side
    93,657.84x = 10,160,877,556.45
  5. Step 5: Solve for x
    x = 10,160,877,556.45/93,657.84
  6. Step 6: Final answer
    x = 108,489.34

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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.