Home / 70,820.04-106,230.36-28,700.92

Finding the Fourth Proportional to 70,820.04, 106,230.36 and 28,700.92

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Solution

The fourth proportional to 70,820.04, 106,230.36 and 28,700.92 is: 43,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,820.04 : 106,230.36 = 28,700.92 : x
  2. Step 2: Convert to fraction form
    70,820.04/106,230.36 = 28,700.92/x
  3. Step 3: Cross multiply
    70,820.04x = 106,230.36 × 28,700.92
  4. Step 4: Simplify right side
    70,820.04x = 3,048,909,063.93
  5. Step 5: Solve for x
    x = 3,048,909,063.93/70,820.04
  6. Step 6: Final answer
    x = 43,051.50

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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.