Home / 93,774.72-129,409.47-51,337.20

Finding the Fourth Proportional to 93,774.72, 129,409.47 and 51,337.20

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Solution

The fourth proportional to 93,774.72, 129,409.47 and 51,337.20 is: 70,845.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,774.72 : 129,409.47 = 51,337.20 : x
  2. Step 2: Convert to fraction form
    93,774.72/129,409.47 = 51,337.20/x
  3. Step 3: Cross multiply
    93,774.72x = 129,409.47 × 51,337.20
  4. Step 4: Simplify right side
    93,774.72x = 6,643,519,843.28
  5. Step 5: Solve for x
    x = 6,643,519,843.28/93,774.72
  6. Step 6: Final answer
    x = 70,845.53

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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.