Home / 76,026.34-114,088.47-40,990.42

Finding the Fourth Proportional to 76,026.34, 114,088.47 and 40,990.42

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Solution

The fourth proportional to 76,026.34, 114,088.47 and 40,990.42 is: 61,512.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,026.34 : 114,088.47 = 40,990.42 : x
  2. Step 2: Convert to fraction form
    76,026.34/114,088.47 = 40,990.42/x
  3. Step 3: Cross multiply
    76,026.34x = 114,088.47 × 40,990.42
  4. Step 4: Simplify right side
    76,026.34x = 4,676,534,302.46
  5. Step 5: Solve for x
    x = 4,676,534,302.46/76,026.34
  6. Step 6: Final answer
    x = 61,512.03

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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.