Home / 111,030.72-153,212.49-62,636.19

Finding the Fourth Proportional to 111,030.72, 153,212.49 and 62,636.19

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Solution

The fourth proportional to 111,030.72, 153,212.49 and 62,636.19 is: 86,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,030.72 : 153,212.49 = 62,636.19 : x
  2. Step 2: Convert to fraction form
    111,030.72/153,212.49 = 62,636.19/x
  3. Step 3: Cross multiply
    111,030.72x = 153,212.49 × 62,636.19
  4. Step 4: Simplify right side
    111,030.72x = 9,596,646,634.01
  5. Step 5: Solve for x
    x = 9,596,646,634.01/111,030.72
  6. Step 6: Final answer
    x = 86,432.36

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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.