Home / 111,518.38-153,891.93-60,528.70

Finding the Fourth Proportional to 111,518.38, 153,891.93 and 60,528.70

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Solution

The fourth proportional to 111,518.38, 153,891.93 and 60,528.70 is: 83,527.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,518.38 : 153,891.93 = 60,528.70 : x
  2. Step 2: Convert to fraction form
    111,518.38/153,891.93 = 60,528.70/x
  3. Step 3: Cross multiply
    111,518.38x = 153,891.93 × 60,528.70
  4. Step 4: Simplify right side
    111,518.38x = 9,314,878,463.39
  5. Step 5: Solve for x
    x = 9,314,878,463.39/111,518.38
  6. Step 6: Final answer
    x = 83,527.74

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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.