Home / 97,802.45-134,773.84-69,428.69

Finding the Fourth Proportional to 97,802.45, 134,773.84 and 69,428.69

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Solution

The fourth proportional to 97,802.45, 134,773.84 and 69,428.69 is: 95,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,802.45 : 134,773.84 = 69,428.69 : x
  2. Step 2: Convert to fraction form
    97,802.45/134,773.84 = 69,428.69/x
  3. Step 3: Cross multiply
    97,802.45x = 134,773.84 × 69,428.69
  4. Step 4: Simplify right side
    97,802.45x = 9,357,171,157.47
  5. Step 5: Solve for x
    x = 9,357,171,157.47/97,802.45
  6. Step 6: Final answer
    x = 95,674.20

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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.