Home / 76,354.90-105,258.36-53,625.76

Finding the Fourth Proportional to 76,354.90, 105,258.36 and 53,625.76

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Solution

The fourth proportional to 76,354.90, 105,258.36 and 53,625.76 is: 73,925.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,354.90 : 105,258.36 = 53,625.76 : x
  2. Step 2: Convert to fraction form
    76,354.90/105,258.36 = 53,625.76/x
  3. Step 3: Cross multiply
    76,354.90x = 105,258.36 × 53,625.76
  4. Step 4: Simplify right side
    76,354.90x = 5,644,559,551.35
  5. Step 5: Solve for x
    x = 5,644,559,551.35/76,354.90
  6. Step 6: Final answer
    x = 73,925.31

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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.