Home / 66,501.90-99,666.45-48,012.30

Finding the Fourth Proportional to 66,501.90, 99,666.45 and 48,012.30

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Solution

The fourth proportional to 66,501.90, 99,666.45 and 48,012.30 is: 71,956.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,501.90 : 99,666.45 = 48,012.30 : x
  2. Step 2: Convert to fraction form
    66,501.90/99,666.45 = 48,012.30/x
  3. Step 3: Cross multiply
    66,501.90x = 99,666.45 × 48,012.30
  4. Step 4: Simplify right side
    66,501.90x = 4,785,215,497.34
  5. Step 5: Solve for x
    x = 4,785,215,497.34/66,501.90
  6. Step 6: Final answer
    x = 71,956.07

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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.