Home / 70,159.02-105,070.41-51,132.66

Finding the Fourth Proportional to 70,159.02, 105,070.41 and 51,132.66

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Solution

The fourth proportional to 70,159.02, 105,070.41 and 51,132.66 is: 76,576.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,159.02 : 105,070.41 = 51,132.66 : x
  2. Step 2: Convert to fraction form
    70,159.02/105,070.41 = 51,132.66/x
  3. Step 3: Cross multiply
    70,159.02x = 105,070.41 × 51,132.66
  4. Step 4: Simplify right side
    70,159.02x = 5,372,529,550.59
  5. Step 5: Solve for x
    x = 5,372,529,550.59/70,159.02
  6. Step 6: Final answer
    x = 76,576.46

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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.