Home / 72,723.61-100,334.46-59,271.74

Finding the Fourth Proportional to 72,723.61, 100,334.46 and 59,271.74

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Solution

The fourth proportional to 72,723.61, 100,334.46 and 59,271.74 is: 81,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,723.61 : 100,334.46 = 59,271.74 : x
  2. Step 2: Convert to fraction form
    72,723.61/100,334.46 = 59,271.74/x
  3. Step 3: Cross multiply
    72,723.61x = 100,334.46 × 59,271.74
  4. Step 4: Simplify right side
    72,723.61x = 5,946,998,026.16
  5. Step 5: Solve for x
    x = 5,946,998,026.16/72,723.61
  6. Step 6: Final answer
    x = 81,775.34

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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.