Home / 93,855.40-140,796.06-31,530.76

Finding the Fourth Proportional to 93,855.40, 140,796.06 and 31,530.76

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Solution

The fourth proportional to 93,855.40, 140,796.06 and 31,530.76 is: 47,300.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,855.40 : 140,796.06 = 31,530.76 : x
  2. Step 2: Convert to fraction form
    93,855.40/140,796.06 = 31,530.76/x
  3. Step 3: Cross multiply
    93,855.40x = 140,796.06 × 31,530.76
  4. Step 4: Simplify right side
    93,855.40x = 4,439,406,776.81
  5. Step 5: Solve for x
    x = 4,439,406,776.81/93,855.40
  6. Step 6: Final answer
    x = 47,300.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.