Home / 72,875.35-100,570.88-40,611.23

Finding the Fourth Proportional to 72,875.35, 100,570.88 and 40,611.23

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Solution

The fourth proportional to 72,875.35, 100,570.88 and 40,611.23 is: 56,045.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,875.35 : 100,570.88 = 40,611.23 : x
  2. Step 2: Convert to fraction form
    72,875.35/100,570.88 = 40,611.23/x
  3. Step 3: Cross multiply
    72,875.35x = 100,570.88 × 40,611.23
  4. Step 4: Simplify right side
    72,875.35x = 4,084,307,138.98
  5. Step 5: Solve for x
    x = 4,084,307,138.98/72,875.35
  6. Step 6: Final answer
    x = 56,045.11

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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.