Home / 85,957.06-118,590.33-56,166.34

Finding the Fourth Proportional to 85,957.06, 118,590.33 and 56,166.34

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Solution

The fourth proportional to 85,957.06, 118,590.33 and 56,166.34 is: 77,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,957.06 : 118,590.33 = 56,166.34 : x
  2. Step 2: Convert to fraction form
    85,957.06/118,590.33 = 56,166.34/x
  3. Step 3: Cross multiply
    85,957.06x = 118,590.33 × 56,166.34
  4. Step 4: Simplify right side
    85,957.06x = 6,660,784,795.49
  5. Step 5: Solve for x
    x = 6,660,784,795.49/85,957.06
  6. Step 6: Final answer
    x = 77,489.68

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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.