Home / 71,210.95-98,280.89-40,995.61

Finding the Fourth Proportional to 71,210.95, 98,280.89 and 40,995.61

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Solution

The fourth proportional to 71,210.95, 98,280.89 and 40,995.61 is: 56,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,210.95 : 98,280.89 = 40,995.61 : x
  2. Step 2: Convert to fraction form
    71,210.95/98,280.89 = 40,995.61/x
  3. Step 3: Cross multiply
    71,210.95x = 98,280.89 × 40,995.61
  4. Step 4: Simplify right side
    71,210.95x = 4,029,085,036.89
  5. Step 5: Solve for x
    x = 4,029,085,036.89/71,210.95
  6. Step 6: Final answer
    x = 56,579.57

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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.