Home / 77,946.60-116,800.95-40,518.83

Finding the Fourth Proportional to 77,946.60, 116,800.95 and 40,518.83

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Solution

The fourth proportional to 77,946.60, 116,800.95 and 40,518.83 is: 60,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,946.60 : 116,800.95 = 40,518.83 : x
  2. Step 2: Convert to fraction form
    77,946.60/116,800.95 = 40,518.83/x
  3. Step 3: Cross multiply
    77,946.60x = 116,800.95 × 40,518.83
  4. Step 4: Simplify right side
    77,946.60x = 4,732,637,281.95
  5. Step 5: Solve for x
    x = 4,732,637,281.95/77,946.60
  6. Step 6: Final answer
    x = 60,716.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.