Home / 88,098.45-121,575.95-47,812.22

Finding the Fourth Proportional to 88,098.45, 121,575.95 and 47,812.22

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Solution

The fourth proportional to 88,098.45, 121,575.95 and 47,812.22 is: 65,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,098.45 : 121,575.95 = 47,812.22 : x
  2. Step 2: Convert to fraction form
    88,098.45/121,575.95 = 47,812.22/x
  3. Step 3: Cross multiply
    88,098.45x = 121,575.95 × 47,812.22
  4. Step 4: Simplify right side
    88,098.45x = 5,812,815,829.05
  5. Step 5: Solve for x
    x = 5,812,815,829.05/88,098.45
  6. Step 6: Final answer
    x = 65,980.91

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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.