Home / 112,056.64-154,636.18-61,069.84

Finding the Fourth Proportional to 112,056.64, 154,636.18 and 61,069.84

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Solution

The fourth proportional to 112,056.64, 154,636.18 and 61,069.84 is: 84,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,056.64 : 154,636.18 = 61,069.84 : x
  2. Step 2: Convert to fraction form
    112,056.64/154,636.18 = 61,069.84/x
  3. Step 3: Cross multiply
    112,056.64x = 154,636.18 × 61,069.84
  4. Step 4: Simplify right side
    112,056.64x = 9,443,606,770.81
  5. Step 5: Solve for x
    x = 9,443,606,770.81/112,056.64
  6. Step 6: Final answer
    x = 84,275.30

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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.