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Finding the Fourth Proportional to 62,005.80, 93,008.70 and 43,343.40

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Solution

The fourth proportional to 62,005.80, 93,008.70 and 43,343.40 is: 65,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,005.80 : 93,008.70 = 43,343.40 : x
  2. Step 2: Convert to fraction form
    62,005.80/93,008.70 = 43,343.40/x
  3. Step 3: Cross multiply
    62,005.80x = 93,008.70 × 43,343.40
  4. Step 4: Simplify right side
    62,005.80x = 4,031,313,287.58
  5. Step 5: Solve for x
    x = 4,031,313,287.58/62,005.80
  6. Step 6: Final answer
    x = 65,015.10

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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.