Home / 70,891.02-97,829.64-39,060

Finding the Fourth Proportional to 70,891.02, 97,829.64 and 39,060

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Solution

The fourth proportional to 70,891.02, 97,829.64 and 39,060 is: 53,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,891.02 : 97,829.64 = 39,060 : x
  2. Step 2: Convert to fraction form
    70,891.02/97,829.64 = 39,060/x
  3. Step 3: Cross multiply
    70,891.02x = 97,829.64 × 39,060
  4. Step 4: Simplify right side
    70,891.02x = 3,821,225,738.40
  5. Step 5: Solve for x
    x = 3,821,225,738.40/70,891.02
  6. Step 6: Final answer
    x = 53,902.82

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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.