Home / 88,099.04-121,574.58-47,811.08

Finding the Fourth Proportional to 88,099.04, 121,574.58 and 47,811.08

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Solution

The fourth proportional to 88,099.04, 121,574.58 and 47,811.08 is: 65,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,099.04 : 121,574.58 = 47,811.08 : x
  2. Step 2: Convert to fraction form
    88,099.04/121,574.58 = 47,811.08/x
  3. Step 3: Cross multiply
    88,099.04x = 121,574.58 × 47,811.08
  4. Step 4: Simplify right side
    88,099.04x = 5,812,611,970.35
  5. Step 5: Solve for x
    x = 5,812,611,970.35/88,099.04
  6. Step 6: Final answer
    x = 65,978.15

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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.