Home / 67,077.84-92,547.21-40,210.54

Finding the Fourth Proportional to 67,077.84, 92,547.21 and 40,210.54

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Solution

The fourth proportional to 67,077.84, 92,547.21 and 40,210.54 is: 55,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,077.84 : 92,547.21 = 40,210.54 : x
  2. Step 2: Convert to fraction form
    67,077.84/92,547.21 = 40,210.54/x
  3. Step 3: Cross multiply
    67,077.84x = 92,547.21 × 40,210.54
  4. Step 4: Simplify right side
    67,077.84x = 3,721,373,503.41
  5. Step 5: Solve for x
    x = 3,721,373,503.41/67,077.84
  6. Step 6: Final answer
    x = 55,478.44

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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.