Home / 93,809.88-129,459.06-51,372.36

Finding the Fourth Proportional to 93,809.88, 129,459.06 and 51,372.36

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Solution

The fourth proportional to 93,809.88, 129,459.06 and 51,372.36 is: 70,894.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,809.88 : 129,459.06 = 51,372.36 : x
  2. Step 2: Convert to fraction form
    93,809.88/129,459.06 = 51,372.36/x
  3. Step 3: Cross multiply
    93,809.88x = 129,459.06 × 51,372.36
  4. Step 4: Simplify right side
    93,809.88x = 6,650,617,435.58
  5. Step 5: Solve for x
    x = 6,650,617,435.58/93,809.88
  6. Step 6: Final answer
    x = 70,894.64

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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.