Home / 70,810.02-106,215.36-28,690.92

Finding the Fourth Proportional to 70,810.02, 106,215.36 and 28,690.92

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Solution

The fourth proportional to 70,810.02, 106,215.36 and 28,690.92 is: 43,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,810.02 : 106,215.36 = 28,690.92 : x
  2. Step 2: Convert to fraction form
    70,810.02/106,215.36 = 28,690.92/x
  3. Step 3: Cross multiply
    70,810.02x = 106,215.36 × 28,690.92
  4. Step 4: Simplify right side
    70,810.02x = 3,047,416,396.53
  5. Step 5: Solve for x
    x = 3,047,416,396.53/70,810.02
  6. Step 6: Final answer
    x = 43,036.51

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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.