Home / 72,476.61-100,017.52-40,646.18

Finding the Fourth Proportional to 72,476.61, 100,017.52 and 40,646.18

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Solution

The fourth proportional to 72,476.61, 100,017.52 and 40,646.18 is: 56,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,476.61 : 100,017.52 = 40,646.18 : x
  2. Step 2: Convert to fraction form
    72,476.61/100,017.52 = 40,646.18/x
  3. Step 3: Cross multiply
    72,476.61x = 100,017.52 × 40,646.18
  4. Step 4: Simplify right side
    72,476.61x = 4,065,330,269.50
  5. Step 5: Solve for x
    x = 4,065,330,269.50/72,476.61
  6. Step 6: Final answer
    x = 56,091.62

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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.