Home / 88,281.50-121,829.79-47,995.16

Finding the Fourth Proportional to 88,281.50, 121,829.79 and 47,995.16

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Solution

The fourth proportional to 88,281.50, 121,829.79 and 47,995.16 is: 66,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,281.50 : 121,829.79 = 47,995.16 : x
  2. Step 2: Convert to fraction form
    88,281.50/121,829.79 = 47,995.16/x
  3. Step 3: Cross multiply
    88,281.50x = 121,829.79 × 47,995.16
  4. Step 4: Simplify right side
    88,281.50x = 5,847,240,263.82
  5. Step 5: Solve for x
    x = 5,847,240,263.82/88,281.50
  6. Step 6: Final answer
    x = 66,234.04

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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.