Home / 111,497.04-153,866.35-60,509.76

Finding the Fourth Proportional to 111,497.04, 153,866.35 and 60,509.76

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Solution

The fourth proportional to 111,497.04, 153,866.35 and 60,509.76 is: 83,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,497.04 : 153,866.35 = 60,509.76 : x
  2. Step 2: Convert to fraction form
    111,497.04/153,866.35 = 60,509.76/x
  3. Step 3: Cross multiply
    111,497.04x = 153,866.35 × 60,509.76
  4. Step 4: Simplify right side
    111,497.04x = 9,310,415,910.58
  5. Step 5: Solve for x
    x = 9,310,415,910.58/111,497.04
  6. Step 6: Final answer
    x = 83,503.70

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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.