Home / 76,669.02-114,946.02-51,638.82

Finding the Fourth Proportional to 76,669.02, 114,946.02 and 51,638.82

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Solution

The fourth proportional to 76,669.02, 114,946.02 and 51,638.82 is: 77,419.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,669.02 : 114,946.02 = 51,638.82 : x
  2. Step 2: Convert to fraction form
    76,669.02/114,946.02 = 51,638.82/x
  3. Step 3: Cross multiply
    76,669.02x = 114,946.02 × 51,638.82
  4. Step 4: Simplify right side
    76,669.02x = 5,935,676,836.50
  5. Step 5: Solve for x
    x = 5,935,676,836.50/76,669.02
  6. Step 6: Final answer
    x = 77,419.50

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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.