Home / 111,585.32-153,988.58-63,835.72

Finding the Fourth Proportional to 111,585.32, 153,988.58 and 63,835.72

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Solution

The fourth proportional to 111,585.32, 153,988.58 and 63,835.72 is: 88,093.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,585.32 : 153,988.58 = 63,835.72 : x
  2. Step 2: Convert to fraction form
    111,585.32/153,988.58 = 63,835.72/x
  3. Step 3: Cross multiply
    111,585.32x = 153,988.58 × 63,835.72
  4. Step 4: Simplify right side
    111,585.32x = 9,829,971,876.08
  5. Step 5: Solve for x
    x = 9,829,971,876.08/111,585.32
  6. Step 6: Final answer
    x = 88,093.77

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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.