Home / 124,064.68-171,225.86-70,369.16

Finding the Fourth Proportional to 124,064.68, 171,225.86 and 70,369.16

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Solution

The fourth proportional to 124,064.68, 171,225.86 and 70,369.16 is: 97,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,064.68 : 171,225.86 = 70,369.16 : x
  2. Step 2: Convert to fraction form
    124,064.68/171,225.86 = 70,369.16/x
  3. Step 3: Cross multiply
    124,064.68x = 171,225.86 × 70,369.16
  4. Step 4: Simplify right side
    124,064.68x = 12,049,019,938.48
  5. Step 5: Solve for x
    x = 12,049,019,938.48/124,064.68
  6. Step 6: Final answer
    x = 97,118.86

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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.