Home / 109,900.13-151,670.34-61,506.91

Finding the Fourth Proportional to 109,900.13, 151,670.34 and 61,506.91

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Solution

The fourth proportional to 109,900.13, 151,670.34 and 61,506.91 is: 84,884.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,900.13 : 151,670.34 = 61,506.91 : x
  2. Step 2: Convert to fraction form
    109,900.13/151,670.34 = 61,506.91/x
  3. Step 3: Cross multiply
    109,900.13x = 151,670.34 × 61,506.91
  4. Step 4: Simplify right side
    109,900.13x = 9,328,772,886.16
  5. Step 5: Solve for x
    x = 9,328,772,886.16/109,900.13
  6. Step 6: Final answer
    x = 84,884.09

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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.