Home / 71,483.16-98,587.32-53,617.80

Finding the Fourth Proportional to 71,483.16, 98,587.32 and 53,617.80

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Solution

The fourth proportional to 71,483.16, 98,587.32 and 53,617.80 is: 73,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,483.16 : 98,587.32 = 53,617.80 : x
  2. Step 2: Convert to fraction form
    71,483.16/98,587.32 = 53,617.80/x
  3. Step 3: Cross multiply
    71,483.16x = 98,587.32 × 53,617.80
  4. Step 4: Simplify right side
    71,483.16x = 5,286,035,206.30
  5. Step 5: Solve for x
    x = 5,286,035,206.30/71,483.16
  6. Step 6: Final answer
    x = 73,947.98

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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.