Home / 70,475.13-105,665.54-37,160.01

Finding the Fourth Proportional to 70,475.13, 105,665.54 and 37,160.01

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Solution

The fourth proportional to 70,475.13, 105,665.54 and 37,160.01 is: 55,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,475.13 : 105,665.54 = 37,160.01 : x
  2. Step 2: Convert to fraction form
    70,475.13/105,665.54 = 37,160.01/x
  3. Step 3: Cross multiply
    70,475.13x = 105,665.54 × 37,160.01
  4. Step 4: Simplify right side
    70,475.13x = 3,926,532,337.26
  5. Step 5: Solve for x
    x = 3,926,532,337.26/70,475.13
  6. Step 6: Final answer
    x = 55,715.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.