Home / 111,832.02-154,328.13-61,530.66

Finding the Fourth Proportional to 111,832.02, 154,328.13 and 61,530.66

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Solution

The fourth proportional to 111,832.02, 154,328.13 and 61,530.66 is: 84,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,832.02 : 154,328.13 = 61,530.66 : x
  2. Step 2: Convert to fraction form
    111,832.02/154,328.13 = 61,530.66/x
  3. Step 3: Cross multiply
    111,832.02x = 154,328.13 × 61,530.66
  4. Step 4: Simplify right side
    111,832.02x = 9,495,911,695.47
  5. Step 5: Solve for x
    x = 9,495,911,695.47/111,832.02
  6. Step 6: Final answer
    x = 84,912.28

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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.