Home / 85,624.76-118,159.27-47,385.93

Finding the Fourth Proportional to 85,624.76, 118,159.27 and 47,385.93

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Solution

The fourth proportional to 85,624.76, 118,159.27 and 47,385.93 is: 65,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,624.76 : 118,159.27 = 47,385.93 : x
  2. Step 2: Convert to fraction form
    85,624.76/118,159.27 = 47,385.93/x
  3. Step 3: Cross multiply
    85,624.76x = 118,159.27 × 47,385.93
  4. Step 4: Simplify right side
    85,624.76x = 5,599,086,778.61
  5. Step 5: Solve for x
    x = 5,599,086,778.61/85,624.76
  6. Step 6: Final answer
    x = 65,390.98

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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.