Home / 111,416.02-153,739.29-63,024.55

Finding the Fourth Proportional to 111,416.02, 153,739.29 and 63,024.55

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Solution

The fourth proportional to 111,416.02, 153,739.29 and 63,024.55 is: 86,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,416.02 : 153,739.29 = 63,024.55 : x
  2. Step 2: Convert to fraction form
    111,416.02/153,739.29 = 63,024.55/x
  3. Step 3: Cross multiply
    111,416.02x = 153,739.29 × 63,024.55
  4. Step 4: Simplify right side
    111,416.02x = 9,689,348,800.87
  5. Step 5: Solve for x
    x = 9,689,348,800.87/111,416.02
  6. Step 6: Final answer
    x = 86,965.49

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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.