Home / 72,725.18-100,368.34-44,449.70

Finding the Fourth Proportional to 72,725.18, 100,368.34 and 44,449.70

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Solution

The fourth proportional to 72,725.18, 100,368.34 and 44,449.70 is: 61,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,725.18 : 100,368.34 = 44,449.70 : x
  2. Step 2: Convert to fraction form
    72,725.18/100,368.34 = 44,449.70/x
  3. Step 3: Cross multiply
    72,725.18x = 100,368.34 × 44,449.70
  4. Step 4: Simplify right side
    72,725.18x = 4,461,342,602.50
  5. Step 5: Solve for x
    x = 4,461,342,602.50/72,725.18
  6. Step 6: Final answer
    x = 61,345.23

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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.