Home / 72,360.47-99,854.55-40,527.74

Finding the Fourth Proportional to 72,360.47, 99,854.55 and 40,527.74

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Solution

The fourth proportional to 72,360.47, 99,854.55 and 40,527.74 is: 55,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,360.47 : 99,854.55 = 40,527.74 : x
  2. Step 2: Convert to fraction form
    72,360.47/99,854.55 = 40,527.74/x
  3. Step 3: Cross multiply
    72,360.47x = 99,854.55 × 40,527.74
  4. Step 4: Simplify right side
    72,360.47x = 4,046,878,740.94
  5. Step 5: Solve for x
    x = 4,046,878,740.94/72,360.47
  6. Step 6: Final answer
    x = 55,926.65

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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.