Home / 88,097.95-121,575.26-47,811.72

Finding the Fourth Proportional to 88,097.95, 121,575.26 and 47,811.72

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Solution

The fourth proportional to 88,097.95, 121,575.26 and 47,811.72 is: 65,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,097.95 : 121,575.26 = 47,811.72 : x
  2. Step 2: Convert to fraction form
    88,097.95/121,575.26 = 47,811.72/x
  3. Step 3: Cross multiply
    88,097.95x = 121,575.26 × 47,811.72
  4. Step 4: Simplify right side
    88,097.95x = 5,812,722,050.99
  5. Step 5: Solve for x
    x = 5,812,722,050.99/88,097.95
  6. Step 6: Final answer
    x = 65,980.22

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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.