Home / 78,733.04-108,650.88-42,923.04

Finding the Fourth Proportional to 78,733.04, 108,650.88 and 42,923.04

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Solution

The fourth proportional to 78,733.04, 108,650.88 and 42,923.04 is: 59,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,733.04 : 108,650.88 = 42,923.04 : x
  2. Step 2: Convert to fraction form
    78,733.04/108,650.88 = 42,923.04/x
  3. Step 3: Cross multiply
    78,733.04x = 108,650.88 × 42,923.04
  4. Step 4: Simplify right side
    78,733.04x = 4,663,626,068.28
  5. Step 5: Solve for x
    x = 4,663,626,068.28/78,733.04
  6. Step 6: Final answer
    x = 59,233.41

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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.