Home / 93,985.55-129,706.92-53,698.45

Finding the Fourth Proportional to 93,985.55, 129,706.92 and 53,698.45

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Solution

The fourth proportional to 93,985.55, 129,706.92 and 53,698.45 is: 74,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,985.55 : 129,706.92 = 53,698.45 : x
  2. Step 2: Convert to fraction form
    93,985.55/129,706.92 = 53,698.45/x
  3. Step 3: Cross multiply
    93,985.55x = 129,706.92 × 53,698.45
  4. Step 4: Simplify right side
    93,985.55x = 6,965,059,909.74
  5. Step 5: Solve for x
    x = 6,965,059,909.74/93,985.55
  6. Step 6: Final answer
    x = 74,107.78

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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.