Home / 85,902.54-118,545.39-48,176.46

Finding the Fourth Proportional to 85,902.54, 118,545.39 and 48,176.46

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Solution

The fourth proportional to 85,902.54, 118,545.39 and 48,176.46 is: 66,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,902.54 : 118,545.39 = 48,176.46 : x
  2. Step 2: Convert to fraction form
    85,902.54/118,545.39 = 48,176.46/x
  3. Step 3: Cross multiply
    85,902.54x = 118,545.39 × 48,176.46
  4. Step 4: Simplify right side
    85,902.54x = 5,711,097,239.52
  5. Step 5: Solve for x
    x = 5,711,097,239.52/85,902.54
  6. Step 6: Final answer
    x = 66,483.45

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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.