Home / 111,505.76-153,875.38-60,518.58

Finding the Fourth Proportional to 111,505.76, 153,875.38 and 60,518.58

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Solution

The fourth proportional to 111,505.76, 153,875.38 and 60,518.58 is: 83,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,505.76 : 153,875.38 = 60,518.58 : x
  2. Step 2: Convert to fraction form
    111,505.76/153,875.38 = 60,518.58/x
  3. Step 3: Cross multiply
    111,505.76x = 153,875.38 × 60,518.58
  4. Step 4: Simplify right side
    111,505.76x = 9,312,319,494.56
  5. Step 5: Solve for x
    x = 9,312,319,494.56/111,505.76
  6. Step 6: Final answer
    x = 83,514.25

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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.