Home / 93,688.41-129,306.34-90,574.44

Finding the Fourth Proportional to 93,688.41, 129,306.34 and 90,574.44

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Solution

The fourth proportional to 93,688.41, 129,306.34 and 90,574.44 is: 125,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,688.41 : 129,306.34 = 90,574.44 : x
  2. Step 2: Convert to fraction form
    93,688.41/129,306.34 = 90,574.44/x
  3. Step 3: Cross multiply
    93,688.41x = 129,306.34 × 90,574.44
  4. Step 4: Simplify right side
    93,688.41x = 11,711,848,962.27
  5. Step 5: Solve for x
    x = 11,711,848,962.27/93,688.41
  6. Step 6: Final answer
    x = 125,008.51

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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.