Home / 77,336.10-116,490.15-70,360.92

Finding the Fourth Proportional to 77,336.10, 116,490.15 and 70,360.92

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Solution

The fourth proportional to 77,336.10, 116,490.15 and 70,360.92 is: 105,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,336.10 : 116,490.15 = 70,360.92 : x
  2. Step 2: Convert to fraction form
    77,336.10/116,490.15 = 70,360.92/x
  3. Step 3: Cross multiply
    77,336.10x = 116,490.15 × 70,360.92
  4. Step 4: Simplify right side
    77,336.10x = 8,196,354,124.94
  5. Step 5: Solve for x
    x = 8,196,354,124.94/77,336.10
  6. Step 6: Final answer
    x = 105,983.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.