Home / 97,618.23-134,631.30-77,443.14

Finding the Fourth Proportional to 97,618.23, 134,631.30 and 77,443.14

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Solution

The fourth proportional to 97,618.23, 134,631.30 and 77,443.14 is: 106,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,618.23 : 134,631.30 = 77,443.14 : x
  2. Step 2: Convert to fraction form
    97,618.23/134,631.30 = 77,443.14/x
  3. Step 3: Cross multiply
    97,618.23x = 134,631.30 × 77,443.14
  4. Step 4: Simplify right side
    97,618.23x = 10,426,270,614.28
  5. Step 5: Solve for x
    x = 10,426,270,614.28/97,618.23
  6. Step 6: Final answer
    x = 106,806.59

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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.