Home / 85,624.54-118,158.95-47,385.70

Finding the Fourth Proportional to 85,624.54, 118,158.95 and 47,385.70

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Solution

The fourth proportional to 85,624.54, 118,158.95 and 47,385.70 is: 65,390.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,624.54 : 118,158.95 = 47,385.70 : x
  2. Step 2: Convert to fraction form
    85,624.54/118,158.95 = 47,385.70/x
  3. Step 3: Cross multiply
    85,624.54x = 118,158.95 × 47,385.70
  4. Step 4: Simplify right side
    85,624.54x = 5,599,044,380.08
  5. Step 5: Solve for x
    x = 5,599,044,380.08/85,624.54
  6. Step 6: Final answer
    x = 65,390.65

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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.