Home / 76,088.09-105,035.18-45,471.98

Finding the Fourth Proportional to 76,088.09, 105,035.18 and 45,471.98

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Solution

The fourth proportional to 76,088.09, 105,035.18 and 45,471.98 is: 62,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,088.09 : 105,035.18 = 45,471.98 : x
  2. Step 2: Convert to fraction form
    76,088.09/105,035.18 = 45,471.98/x
  3. Step 3: Cross multiply
    76,088.09x = 105,035.18 × 45,471.98
  4. Step 4: Simplify right side
    76,088.09x = 4,776,156,851.72
  5. Step 5: Solve for x
    x = 4,776,156,851.72/76,088.09
  6. Step 6: Final answer
    x = 62,771.42

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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.