Home / 78,772.02-108,714.72-44,785.63

Finding the Fourth Proportional to 78,772.02, 108,714.72 and 44,785.63

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Solution

The fourth proportional to 78,772.02, 108,714.72 and 44,785.63 is: 61,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,772.02 : 108,714.72 = 44,785.63 : x
  2. Step 2: Convert to fraction form
    78,772.02/108,714.72 = 44,785.63/x
  3. Step 3: Cross multiply
    78,772.02x = 108,714.72 × 44,785.63
  4. Step 4: Simplify right side
    78,772.02x = 4,868,857,529.31
  5. Step 5: Solve for x
    x = 4,868,857,529.31/78,772.02
  6. Step 6: Final answer
    x = 61,809.48

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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.