Home / 70,301.02-105,451.26-28,199.92

Finding the Fourth Proportional to 70,301.02, 105,451.26 and 28,199.92

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Solution

The fourth proportional to 70,301.02, 105,451.26 and 28,199.92 is: 42,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,301.02 : 105,451.26 = 28,199.92 : x
  2. Step 2: Convert to fraction form
    70,301.02/105,451.26 = 28,199.92/x
  3. Step 3: Cross multiply
    70,301.02x = 105,451.26 × 28,199.92
  4. Step 4: Simplify right side
    70,301.02x = 2,973,717,095.90
  5. Step 5: Solve for x
    x = 2,973,717,095.90/70,301.02
  6. Step 6: Final answer
    x = 42,299.77

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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.