Home / 76,248.08-105,222.28-42,714.32

Finding the Fourth Proportional to 76,248.08, 105,222.28 and 42,714.32

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Solution

The fourth proportional to 76,248.08, 105,222.28 and 42,714.32 is: 58,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,248.08 : 105,222.28 = 42,714.32 : x
  2. Step 2: Convert to fraction form
    76,248.08/105,222.28 = 42,714.32/x
  3. Step 3: Cross multiply
    76,248.08x = 105,222.28 × 42,714.32
  4. Step 4: Simplify right side
    76,248.08x = 4,494,498,139.05
  5. Step 5: Solve for x
    x = 4,494,498,139.05/76,248.08
  6. Step 6: Final answer
    x = 58,945.72

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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.