Home / 71,513.16-98,724.92-50,386.74

Finding the Fourth Proportional to 71,513.16, 98,724.92 and 50,386.74

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Solution

The fourth proportional to 71,513.16, 98,724.92 and 50,386.74 is: 69,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,513.16 : 98,724.92 = 50,386.74 : x
  2. Step 2: Convert to fraction form
    71,513.16/98,724.92 = 50,386.74/x
  3. Step 3: Cross multiply
    71,513.16x = 98,724.92 × 50,386.74
  4. Step 4: Simplify right side
    71,513.16x = 4,974,426,875.56
  5. Step 5: Solve for x
    x = 4,974,426,875.56/71,513.16
  6. Step 6: Final answer
    x = 69,559.60

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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.