Home / 76,419.12-105,444.06-44,580.06

Finding the Fourth Proportional to 76,419.12, 105,444.06 and 44,580.06

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Solution

The fourth proportional to 76,419.12, 105,444.06 and 44,580.06 is: 61,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,419.12 : 105,444.06 = 44,580.06 : x
  2. Step 2: Convert to fraction form
    76,419.12/105,444.06 = 44,580.06/x
  3. Step 3: Cross multiply
    76,419.12x = 105,444.06 × 44,580.06
  4. Step 4: Simplify right side
    76,419.12x = 4,700,702,521.44
  5. Step 5: Solve for x
    x = 4,700,702,521.44/76,419.12
  6. Step 6: Final answer
    x = 61,512.13

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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.