Home / 76,962.02-106,206.54-42,971.03

Finding the Fourth Proportional to 76,962.02, 106,206.54 and 42,971.03

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Solution

The fourth proportional to 76,962.02, 106,206.54 and 42,971.03 is: 59,299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,962.02 : 106,206.54 = 42,971.03 : x
  2. Step 2: Convert to fraction form
    76,962.02/106,206.54 = 42,971.03/x
  3. Step 3: Cross multiply
    76,962.02x = 106,206.54 × 42,971.03
  4. Step 4: Simplify right side
    76,962.02x = 4,563,803,992.93
  5. Step 5: Solve for x
    x = 4,563,803,992.93/76,962.02
  6. Step 6: Final answer
    x = 59,299.43

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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.