Home / 111,507.89-153,875.63-60,519.47

Finding the Fourth Proportional to 111,507.89, 153,875.63 and 60,519.47

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Solution

The fourth proportional to 111,507.89, 153,875.63 and 60,519.47 is: 83,514.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,507.89 : 153,875.63 = 60,519.47 : x
  2. Step 2: Convert to fraction form
    111,507.89/153,875.63 = 60,519.47/x
  3. Step 3: Cross multiply
    111,507.89x = 153,875.63 × 60,519.47
  4. Step 4: Simplify right side
    111,507.89x = 9,312,470,955.44
  5. Step 5: Solve for x
    x = 9,312,470,955.44/111,507.89
  6. Step 6: Final answer
    x = 83,514.01

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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.