Home / 72,177.12-99,609.53-47,026.62

Finding the Fourth Proportional to 72,177.12, 99,609.53 and 47,026.62

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Solution

The fourth proportional to 72,177.12, 99,609.53 and 47,026.62 is: 64,900.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,177.12 : 99,609.53 = 47,026.62 : x
  2. Step 2: Convert to fraction form
    72,177.12/99,609.53 = 47,026.62/x
  3. Step 3: Cross multiply
    72,177.12x = 99,609.53 × 47,026.62
  4. Step 4: Simplify right side
    72,177.12x = 4,684,299,280.56
  5. Step 5: Solve for x
    x = 4,684,299,280.56/72,177.12
  6. Step 6: Final answer
    x = 64,900.06

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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.