Home / 111,487.23-153,851.58-60,498.68

Finding the Fourth Proportional to 111,487.23, 153,851.58 and 60,498.68

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Solution

The fourth proportional to 111,487.23, 153,851.58 and 60,498.68 is: 83,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,487.23 : 153,851.58 = 60,498.68 : x
  2. Step 2: Convert to fraction form
    111,487.23/153,851.58 = 60,498.68/x
  3. Step 3: Cross multiply
    111,487.23x = 153,851.58 × 60,498.68
  4. Step 4: Simplify right side
    111,487.23x = 9,307,816,818.79
  5. Step 5: Solve for x
    x = 9,307,816,818.79/111,487.23
  6. Step 6: Final answer
    x = 83,487.74

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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.