Home / 78,934.08-108,927.18-43,124.16

Finding the Fourth Proportional to 78,934.08, 108,927.18 and 43,124.16

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Solution

The fourth proportional to 78,934.08, 108,927.18 and 43,124.16 is: 59,510.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,934.08 : 108,927.18 = 43,124.16 : x
  2. Step 2: Convert to fraction form
    78,934.08/108,927.18 = 43,124.16/x
  3. Step 3: Cross multiply
    78,934.08x = 108,927.18 × 43,124.16
  4. Step 4: Simplify right side
    78,934.08x = 4,697,393,138.67
  5. Step 5: Solve for x
    x = 4,697,393,138.67/78,934.08
  6. Step 6: Final answer
    x = 59,510.33

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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.