Home / 78,842.09-108,792.51-44,854.90

Finding the Fourth Proportional to 78,842.09, 108,792.51 and 44,854.90

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Solution

The fourth proportional to 78,842.09, 108,792.51 and 44,854.90 is: 61,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,842.09 : 108,792.51 = 44,854.90 : x
  2. Step 2: Convert to fraction form
    78,842.09/108,792.51 = 44,854.90/x
  3. Step 3: Cross multiply
    78,842.09x = 108,792.51 × 44,854.90
  4. Step 4: Simplify right side
    78,842.09x = 4,879,877,156.80
  5. Step 5: Solve for x
    x = 4,879,877,156.80/78,842.09
  6. Step 6: Final answer
    x = 61,894.32

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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.