Home / 76,458.34-105,513.18-44,621.02

Finding the Fourth Proportional to 76,458.34, 105,513.18 and 44,621.02

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Solution

The fourth proportional to 76,458.34, 105,513.18 and 44,621.02 is: 61,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,458.34 : 105,513.18 = 44,621.02 : x
  2. Step 2: Convert to fraction form
    76,458.34/105,513.18 = 44,621.02/x
  3. Step 3: Cross multiply
    76,458.34x = 105,513.18 × 44,621.02
  4. Step 4: Simplify right side
    76,458.34x = 4,708,105,715.04
  5. Step 5: Solve for x
    x = 4,708,105,715.04/76,458.34
  6. Step 6: Final answer
    x = 61,577.40

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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.