Home / 93,709.01-129,320.32-51,268.45

Finding the Fourth Proportional to 93,709.01, 129,320.32 and 51,268.45

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Solution

The fourth proportional to 93,709.01, 129,320.32 and 51,268.45 is: 70,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,709.01 : 129,320.32 = 51,268.45 : x
  2. Step 2: Convert to fraction form
    93,709.01/129,320.32 = 51,268.45/x
  3. Step 3: Cross multiply
    93,709.01x = 129,320.32 × 51,268.45
  4. Step 4: Simplify right side
    93,709.01x = 6,630,052,359.90
  5. Step 5: Solve for x
    x = 6,630,052,359.90/93,709.01
  6. Step 6: Final answer
    x = 70,751.49

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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.