Home / 76,363.88-105,341.48-44,521.16

Finding the Fourth Proportional to 76,363.88, 105,341.48 and 44,521.16

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Solution

The fourth proportional to 76,363.88, 105,341.48 and 44,521.16 is: 61,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,363.88 : 105,341.48 = 44,521.16 : x
  2. Step 2: Convert to fraction form
    76,363.88/105,341.48 = 44,521.16/x
  3. Step 3: Cross multiply
    76,363.88x = 105,341.48 × 44,521.16
  4. Step 4: Simplify right side
    76,363.88x = 4,689,924,885.72
  5. Step 5: Solve for x
    x = 4,689,924,885.72/76,363.88
  6. Step 6: Final answer
    x = 61,415.49

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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.